feat: [extensions] implement a couple of tabs APIs (#21779)

shell/renderer/extensions/atom_extensions_renderer_client.cc

@@ -6,13 +6,13 @@
 
 #include "content/public/renderer/render_thread.h"
 #include "extensions/renderer/dispatcher.h"
-#include "extensions/renderer/dispatcher_delegate.h"
+#include "shell/renderer/extensions/electron_extensions_dispatcher_delegate.h"
 
 namespace electron {
 
 AtomExtensionsRendererClient::AtomExtensionsRendererClient()
     : dispatcher_(std::make_unique<extensions::Dispatcher>(
-          std::make_unique<extensions::DispatcherDelegate>())) {
+          std::make_unique<ElectronExtensionsDispatcherDelegate>())) {
   dispatcher_->OnRenderThreadStarted(content::RenderThread::Get());
 }
 

shell/renderer/extensions/electron_extensions_dispatcher_delegate.cc

@@ -0,0 +1,51 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "shell/renderer/extensions/electron_extensions_dispatcher_delegate.h"
+
+#include <memory>
+#include <set>
+#include <string>
+
+#include "chrome/renderer/extensions/tabs_hooks_delegate.h"
+#include "extensions/renderer/bindings/api_bindings_system.h"
+#include "extensions/renderer/lazy_background_page_native_handler.h"
+#include "extensions/renderer/module_system.h"
+#include "extensions/renderer/native_extension_bindings_system.h"
+#include "extensions/renderer/native_handler.h"
+
+using extensions::NativeHandler;
+
+ElectronExtensionsDispatcherDelegate::ElectronExtensionsDispatcherDelegate() {}
+
+ElectronExtensionsDispatcherDelegate::~ElectronExtensionsDispatcherDelegate() {}
+
+void ElectronExtensionsDispatcherDelegate::RegisterNativeHandlers(
+    extensions::Dispatcher* dispatcher,
+    extensions::ModuleSystem* module_system,
+    extensions::NativeExtensionBindingsSystem* bindings_system,
+    extensions::ScriptContext* context) {
+  module_system->RegisterNativeHandler(
+      "lazy_background_page",
+      std::unique_ptr<NativeHandler>(
+          new extensions::LazyBackgroundPageNativeHandler(context)));
+}
+
+void ElectronExtensionsDispatcherDelegate::PopulateSourceMap(
+    extensions::ResourceBundleSourceMap* source_map) {}
+
+void ElectronExtensionsDispatcherDelegate::RequireWebViewModules(
+    extensions::ScriptContext* context) {}
+
+void ElectronExtensionsDispatcherDelegate::OnActiveExtensionsUpdated(
+    const std::set<std::string>& extension_ids) {}
+
+void ElectronExtensionsDispatcherDelegate::InitializeBindingsSystem(
+    extensions::Dispatcher* dispatcher,
+    extensions::NativeExtensionBindingsSystem* bindings_system) {
+  extensions::APIBindingsSystem* bindings = bindings_system->api_system();
+  bindings->GetHooksForAPI("tabs")->SetDelegate(
+      std::make_unique<extensions::TabsHooksDelegate>(
+          bindings_system->messaging_service()));
+}

shell/renderer/extensions/electron_extensions_dispatcher_delegate.h

@@ -0,0 +1,39 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef SHELL_RENDERER_EXTENSIONS_ELECTRON_EXTENSIONS_DISPATCHER_DELEGATE_H_
+#define SHELL_RENDERER_EXTENSIONS_ELECTRON_EXTENSIONS_DISPATCHER_DELEGATE_H_
+
+#include <set>
+#include <string>
+
+#include "base/macros.h"
+#include "extensions/renderer/dispatcher_delegate.h"
+
+class ElectronExtensionsDispatcherDelegate
+    : public extensions::DispatcherDelegate {
+ public:
+  ElectronExtensionsDispatcherDelegate();
+  ~ElectronExtensionsDispatcherDelegate() override;
+
+ private:
+  // extensions::DispatcherDelegate implementation.
+  void RegisterNativeHandlers(
+      extensions::Dispatcher* dispatcher,
+      extensions::ModuleSystem* module_system,
+      extensions::NativeExtensionBindingsSystem* bindings_system,
+      extensions::ScriptContext* context) override;
+  void PopulateSourceMap(
+      extensions::ResourceBundleSourceMap* source_map) override;
+  void RequireWebViewModules(extensions::ScriptContext* context) override;
+  void OnActiveExtensionsUpdated(
+      const std::set<std::string>& extensions_ids) override;
+  void InitializeBindingsSystem(
+      extensions::Dispatcher* dispatcher,
+      extensions::NativeExtensionBindingsSystem* bindings_system) override;
+
+  DISALLOW_COPY_AND_ASSIGN(ElectronExtensionsDispatcherDelegate);
+};
+
+#endif  // SHELL_RENDERER_EXTENSIONS_ELECTRON_EXTENSIONS_DISPATCHER_DELEGATE_H_