228 lines
		
	
	
	
		
			8.5 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			228 lines
		
	
	
	
		
			8.5 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright (c) 2017 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/renderer/renderer_client_base.h"
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#include <string>
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#include <vector>
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#include "atom/common/atom_constants.h"
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#include "atom/common/color_util.h"
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#include "atom/common/native_mate_converters/value_converter.h"
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#include "atom/common/options_switches.h"
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#include "atom/renderer/atom_autofill_agent.h"
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#include "atom/renderer/atom_render_frame_observer.h"
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#include "atom/renderer/content_settings_observer.h"
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#include "atom/renderer/guest_view_container.h"
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#include "atom/renderer/preferences_manager.h"
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#include "base/command_line.h"
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#include "base/memory/ptr_util.h"
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#include "base/strings/string_split.h"
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#include "chrome/renderer/media/chrome_key_systems.h"
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#include "chrome/renderer/pepper/pepper_helper.h"
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#include "chrome/renderer/printing/print_web_view_helper.h"
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#include "chrome/renderer/tts_dispatcher.h"
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#include "content/public/common/content_constants.h"
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#include "content/public/renderer/render_view.h"
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#include "native_mate/dictionary.h"
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#include "third_party/WebKit/public/web/WebCustomElement.h"
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#include "third_party/WebKit/public/web/WebFrameWidget.h"
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#include "third_party/WebKit/public/web/WebKit.h"
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#include "third_party/WebKit/public/web/WebPluginParams.h"
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#include "third_party/WebKit/public/web/WebScriptSource.h"
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#include "third_party/WebKit/public/web/WebSecurityPolicy.h"
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#include "third_party/WebKit/Source/platform/weborigin/SchemeRegistry.h"
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#if defined(OS_MACOSX)
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#include "base/mac/mac_util.h"
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#include "base/strings/sys_string_conversions.h"
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#endif
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#if defined(OS_WIN)
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#include <shlobj.h>
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#endif
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namespace atom {
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namespace {
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v8::Local<v8::Value> GetRenderProcessPreferences(
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    const PreferencesManager* preferences_manager, v8::Isolate* isolate) {
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  if (preferences_manager->preferences())
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    return mate::ConvertToV8(isolate, *preferences_manager->preferences());
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  else
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    return v8::Null(isolate);
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}
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std::vector<std::string> ParseSchemesCLISwitch(const char* switch_name) {
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  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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  std::string custom_schemes = command_line->GetSwitchValueASCII(switch_name);
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  return base::SplitString(
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      custom_schemes, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
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}
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}  // namespace
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RendererClientBase::RendererClientBase() {
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  // Parse --standard-schemes=scheme1,scheme2
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  std::vector<std::string> standard_schemes_list =
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      ParseSchemesCLISwitch(switches::kStandardSchemes);
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  for (const std::string& scheme : standard_schemes_list)
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    url::AddStandardScheme(scheme.c_str(), url::SCHEME_WITHOUT_PORT);
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    isolated_world_ = base::CommandLine::ForCurrentProcess()->HasSwitch(
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        switches::kContextIsolation);
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}
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RendererClientBase::~RendererClientBase() {
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}
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void RendererClientBase::AddRenderBindings(
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    v8::Isolate* isolate,
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    v8::Local<v8::Object> binding_object) {
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  mate::Dictionary dict(isolate, binding_object);
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  dict.SetMethod(
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      "getRenderProcessPreferences",
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      base::Bind(GetRenderProcessPreferences, preferences_manager_.get()));
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}
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void RendererClientBase::RenderThreadStarted() {
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  blink::WebCustomElement::AddEmbedderCustomElementName("webview");
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  blink::WebCustomElement::AddEmbedderCustomElementName("browserplugin");
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  WTF::String extension_scheme("chrome-extension");
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  // Extension resources are HTTP-like and safe to expose to the fetch API. The
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  // rules for the fetch API are consistent with XHR.
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  blink::SchemeRegistry::RegisterURLSchemeAsSupportingFetchAPI(
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      extension_scheme);
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  // Extension resources, when loaded as the top-level document, should bypass
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  // Blink's strict first-party origin checks.
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  blink::SchemeRegistry::RegisterURLSchemeAsFirstPartyWhenTopLevel(
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      extension_scheme);
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  // In Chrome we should set extension's origins to match the pages they can
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  // work on, but in Electron currently we just let extensions do anything.
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  blink::SchemeRegistry::RegisterURLSchemeAsSecure(extension_scheme);
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  blink::SchemeRegistry::RegisterURLSchemeAsCORSEnabled(extension_scheme);
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  blink::SchemeRegistry::RegisterURLSchemeAsBypassingContentSecurityPolicy(
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      extension_scheme);
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  // Parse --secure-schemes=scheme1,scheme2
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  std::vector<std::string> secure_schemes_list =
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      ParseSchemesCLISwitch(switches::kSecureSchemes);
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  for (const std::string& scheme : secure_schemes_list)
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    blink::SchemeRegistry::RegisterURLSchemeAsSecure(
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        WTF::String::FromUTF8(scheme.data(), scheme.length()));
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  // Allow file scheme to handle service worker by default.
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  // FIXME(zcbenz): Can this be moved elsewhere?
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  blink::WebSecurityPolicy::RegisterURLSchemeAsAllowingServiceWorkers("file");
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  blink::SchemeRegistry::RegisterURLSchemeAsSupportingFetchAPI("file");
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  preferences_manager_.reset(new PreferencesManager);
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#if defined(OS_WIN)
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  // Set ApplicationUserModelID in renderer process.
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  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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  base::string16 app_id =
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      command_line->GetSwitchValueNative(switches::kAppUserModelId);
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  if (!app_id.empty()) {
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    SetCurrentProcessExplicitAppUserModelID(app_id.c_str());
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  }
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#endif
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#if defined(OS_MACOSX)
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  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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  bool scroll_bounce = command_line->HasSwitch(switches::kScrollBounce);
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  base::ScopedCFTypeRef<CFStringRef> rubber_banding_key(
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    base::SysUTF8ToCFStringRef("NSScrollViewRubberbanding"));
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  CFPreferencesSetAppValue(rubber_banding_key,
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                           scroll_bounce ? kCFBooleanTrue : kCFBooleanFalse,
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                           kCFPreferencesCurrentApplication);
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  CFPreferencesAppSynchronize(kCFPreferencesCurrentApplication);
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#endif
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}
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void RendererClientBase::RenderFrameCreated(
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    content::RenderFrame* render_frame) {
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  new AtomRenderFrameObserver(render_frame, this);
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  new AutofillAgent(render_frame);
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  new PepperHelper(render_frame);
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  new ContentSettingsObserver(render_frame);
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  new printing::PrintWebViewHelper(render_frame);
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  // This is required for widevine plugin detection provided during runtime.
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  blink::ResetPluginCache();
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  // Allow access to file scheme from pdf viewer.
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  blink::WebSecurityPolicy::AddOriginAccessWhitelistEntry(
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      GURL(kPdfViewerUIOrigin), "file", "", true);
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}
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void RendererClientBase::RenderViewCreated(content::RenderView* render_view) {
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  blink::WebFrameWidget* web_frame_widget = render_view->GetWebFrameWidget();
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  if (!web_frame_widget)
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    return;
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  base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
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  if (cmd->HasSwitch(switches::kGuestInstanceID)) {  // webview.
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    web_frame_widget->SetBaseBackgroundColor(SK_ColorTRANSPARENT);
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  } else {  // normal window.
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    // If backgroundColor is specified then use it.
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    std::string name = cmd->GetSwitchValueASCII(switches::kBackgroundColor);
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    // Otherwise use white background.
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    SkColor color = name.empty() ? SK_ColorWHITE : ParseHexColor(name);
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    web_frame_widget->SetBaseBackgroundColor(color);
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  }
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}
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void RendererClientBase::DidClearWindowObject(
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    content::RenderFrame* render_frame) {
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  // Make sure every page will get a script context created.
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  render_frame->GetWebFrame()->ExecuteScript(blink::WebScriptSource("void 0"));
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}
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std::unique_ptr<blink::WebSpeechSynthesizer>
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RendererClientBase::OverrideSpeechSynthesizer(
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    blink::WebSpeechSynthesizerClient* client) {
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  return base::MakeUnique<TtsDispatcher>(client);
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}
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bool RendererClientBase::OverrideCreatePlugin(
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    content::RenderFrame* render_frame,
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    const blink::WebPluginParams& params,
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    blink::WebPlugin** plugin) {
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  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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  if (params.mime_type.Utf8() == content::kBrowserPluginMimeType ||
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      params.mime_type.Utf8() == kPdfPluginMimeType ||
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      command_line->HasSwitch(switches::kEnablePlugins))
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    return false;
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  *plugin = nullptr;
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  return true;
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}
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content::BrowserPluginDelegate* RendererClientBase::CreateBrowserPluginDelegate(
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    content::RenderFrame* render_frame,
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    const std::string& mime_type,
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    const GURL& original_url) {
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  if (mime_type == content::kBrowserPluginMimeType) {
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    return new GuestViewContainer(render_frame);
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  } else {
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    return nullptr;
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  }
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}
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void RendererClientBase::AddSupportedKeySystems(
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    std::vector<std::unique_ptr<::media::KeySystemProperties>>* key_systems) {
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  AddChromeKeySystems(key_systems);
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}
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v8::Local<v8::Context> RendererClientBase::GetContext(
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    blink::WebLocalFrame* frame, v8::Isolate* isolate) {
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  if (isolated_world())
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    return frame->WorldScriptContext(isolate, World::ISOLATED_WORLD);
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  else
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    return frame->MainWorldScriptContext();
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}
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}  // namespace atom
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