build: add enable_pepper_flash flag to GN build (#14349)

* chore: reformat BUILD.gn

* build: add enable_pepper_flash flag to GN build

Fixes #14339.

* build: move pepper flash under components/

* [ci skip] build: add electron.icns to mac app resources

* build: [gyp] update config to use component pepper flash

* build: [gyp] copy pepper shared libraries into executable folder in component build

BUILD.gn

@@ -32,6 +32,7 @@ declare_args() {
   enable_desktop_capturer = true
   enable_run_as_node = true
   enable_osr = false
+  enable_view_api = false
 
   # Provide a fake location provider for mocking
   # the geolocation responses. Disable it if you
@@ -39,7 +40,8 @@ declare_args() {
   # Should not be enabled for release build.
   enable_fake_location_provider = !is_official_build
 
-  enable_view_api = false
+  # Enable flash plugin support.
+  enable_pepper_flash = true
 }
 
 if (is_mas_build) {
@@ -77,6 +79,9 @@ config("features") {
   if (enable_view_api) {
     defines += [ "ENABLE_VIEW_API" ]
   }
+  if (enable_pepper_flash) {
+    defines += [ "ENABLE_PEPPER_FLASH" ]
+  }
 }
 
 npm_action("atom_browserify_sandbox") {
@@ -294,15 +299,11 @@ static_library("electron_lib") {
   set_sources_assignment_filter(sources_assignment_filter)
 
   if (is_component_build) {
-    defines += [
+    defines += [ "NODE_SHARED_MODE" ]
-      "NODE_SHARED_MODE",
-    ]
   }
 
   if (enable_fake_location_provider) {
-    defines += [
+    defines += [ "OVERRIDE_LOCATION_PROVIDER" ]
-      "OVERRIDE_LOCATION_PROVIDER"
-    ]
     sources += filenames_gypi.lib_sources_location_provider
   }
 
@@ -426,6 +427,10 @@ static_library("electron_lib") {
       "atom/browser/api/atom_api_text_field.h",
     ]
   }
+
+  if (enable_pepper_flash) {
+    deps += [ "components/pepper_flash" ]
+  }
 }
 
 electron_paks("packed_resources") {
@@ -479,12 +484,8 @@ if (is_mac) {
       sources = []
       public_deps = []
       if (is_component_ffmpeg) {
-        sources += [
+        sources += [ "$root_out_dir/libffmpeg.dylib" ]
-          "$root_out_dir/libffmpeg.dylib",
+        public_deps += [ "//third_party/ffmpeg:ffmpeg" ]
-        ]
-        public_deps += [
-          "//third_party/ffmpeg:ffmpeg",
-        ]
       }
       outputs = [
         "{{bundle_contents_dir}}/Libraries/{{source_file_part}}",
@@ -517,8 +518,8 @@ if (is_mac) {
       ":electron_lib",
     ]
     deps = [
-      ":electron_framework_resources",
       ":electron_framework_libraries",
+      ":electron_framework_resources",
       ":electron_xibs",
     ]
     if (!is_mas_build) {
@@ -620,6 +621,7 @@ if (is_mac) {
     sources = [
       "$root_out_dir/resources/default_app.asar",
       "$root_out_dir/resources/electron.asar",
+      "atom/browser/resources/mac/electron.icns",
     ]
     outputs = [
       "{{bundle_resources_dir}}/{{source_file_part}}",
@@ -809,51 +811,80 @@ group("chromium_browsertests") {
 template("dist_zip") {
   _runtime_deps_target = "${target_name}__deps"
   _runtime_deps_file =
-      "$root_out_dir/gen.runtime/" +
+      "$root_out_dir/gen.runtime/" + get_label_info(target_name, "dir") + "/" +
-      get_label_info(target_name, "dir") + "/" +
       get_label_info(target_name, "name") + ".runtime_deps"
 
   group(_runtime_deps_target) {
-    forward_variables_from(invoker, [ "deps", "data_deps", "data" ])
+    forward_variables_from(invoker,
+                           [
+                             "deps",
+                             "data_deps",
+                             "data",
+                           ])
     write_runtime_deps = _runtime_deps_file
   }
 
   action(target_name) {
     script = "//electron/build/zip.py"
-    deps = [ ":$_runtime_deps_target" ]
+    deps = [
+      ":$_runtime_deps_target",
+    ]
     forward_variables_from(invoker, [ "outputs" ])
-    args =  rebase_path(outputs + [ _runtime_deps_file ], root_build_dir) + [target_cpu, target_os]
+    args = rebase_path(outputs + [ _runtime_deps_file ], root_build_dir) + [
+             target_cpu,
+             target_os,
+           ]
   }
 }
 
-
 copy("electron_license") {
-  sources = [ "LICENSE" ]
+  sources = [
-  outputs = [ "$root_build_dir/{{source_file_part}}" ]
+    "LICENSE",
+  ]
+  outputs = [
+    "$root_build_dir/{{source_file_part}}",
+  ]
 }
 copy("chromium_licenses") {
-  deps = [ "//components/resources:about_credits" ]
+  deps = [
-  sources = [ "$root_gen_dir/components/resources/about_credits.html" ]
+    "//components/resources:about_credits",
-  outputs = [ "$root_build_dir/LICENSES.chromium.html" ]
+  ]
+  sources = [
+    "$root_gen_dir/components/resources/about_credits.html",
+  ]
+  outputs = [
+    "$root_build_dir/LICENSES.chromium.html",
+  ]
 }
 
 group("licenses") {
-  data_deps = [ ":electron_license", ":chromium_licenses" ]
+  data_deps = [
+    ":electron_license",
+    ":chromium_licenses",
+  ]
 }
 
 action("electron_version") {
   script = "build/write_version.py"
-  outputs = [ "$root_build_dir/version" ]
+  outputs = [
+    "$root_build_dir/version",
+  ]
   args = rebase_path(outputs, root_build_dir) + [ electron_version ]
 }
 
-
 dist_zip("electron_dist_zip") {
-  data_deps = [ ":electron_app", ":licenses", ":electron_version" ]
+  data_deps = [
-  outputs = [ "$root_build_dir/dist.zip" ]
+    ":electron_app",
+    ":licenses",
+    ":electron_version",
+  ]
+  outputs = [
+    "$root_build_dir/dist.zip",
+  ]
 }
 
-
 group("electron") {
-  deps = [ ":electron_app" ]
+  deps = [
+    ":electron_app",
+  ]
 }

components/pepper_flash/BUILD.gn

@@ -0,0 +1,57 @@
+# Copyright (c) 2018 GitHub, Inc.
+# Use of this source code is governed by the MIT license that can be
+# found in the LICENSE file.
+
+component("pepper_flash") {
+  visibility = [ "//electron:electron_lib" ]
+  defines = [ "IS_PEPPER_FLASH_IMPL" ]
+  sources = [
+    "//chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.cc",
+    "//chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h",
+    "//chrome/browser/renderer_host/pepper/pepper_broker_message_filter.cc",
+    "//chrome/browser/renderer_host/pepper/pepper_broker_message_filter.h",
+    "//chrome/browser/renderer_host/pepper/pepper_flash_browser_host.cc",
+    "//chrome/browser/renderer_host/pepper/pepper_flash_browser_host.h",
+    "//chrome/browser/renderer_host/pepper/pepper_flash_clipboard_message_filter.cc",
+    "//chrome/browser/renderer_host/pepper/pepper_flash_clipboard_message_filter.h",
+    "//chrome/browser/renderer_host/pepper/pepper_flash_drm_host.cc",
+    "//chrome/browser/renderer_host/pepper/pepper_flash_drm_host.h",
+    "//chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.cc",
+    "//chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.h",
+    "//chrome/renderer/pepper/chrome_renderer_pepper_host_factory.cc",
+    "//chrome/renderer/pepper/chrome_renderer_pepper_host_factory.h",
+    "//chrome/renderer/pepper/pepper_flash_drm_renderer_host.cc",
+    "//chrome/renderer/pepper/pepper_flash_drm_renderer_host.h",
+    "//chrome/renderer/pepper/pepper_flash_font_file_host.cc",
+    "//chrome/renderer/pepper/pepper_flash_font_file_host.h",
+    "//chrome/renderer/pepper/pepper_flash_fullscreen_host.cc",
+    "//chrome/renderer/pepper/pepper_flash_fullscreen_host.h",
+    "//chrome/renderer/pepper/pepper_flash_menu_host.cc",
+    "//chrome/renderer/pepper/pepper_flash_menu_host.h",
+    "//chrome/renderer/pepper/pepper_flash_renderer_host.cc",
+    "//chrome/renderer/pepper/pepper_flash_renderer_host.h",
+    "//chrome/renderer/pepper/pepper_helper.cc",
+    "//chrome/renderer/pepper/pepper_helper.h",
+    "//chrome/renderer/pepper/pepper_shared_memory_message_filter.cc",
+    "//chrome/renderer/pepper/pepper_shared_memory_message_filter.h",
+  ]
+  deps = [
+    "//content/public/browser",
+    "//content/public/renderer",
+    "//media:media_features",
+    "//ppapi/host",
+    "//ppapi/proxy",
+    "//ppapi/proxy:ipc",
+    "//ppapi/shared_impl",
+    "//services/device/public/mojom",
+    "//skia",
+    "//third_party/adobe/flash:flapper_version_h",
+    "//ui/base",
+  ]
+  if (is_mac) {
+    sources += [
+      "//chrome/browser/renderer_host/pepper/monitor_finder_mac.h",
+      "//chrome/browser/renderer_host/pepper/monitor_finder_mac.mm",
+    ]
+  }
+}

electron.gyp

@@ -196,6 +196,11 @@
                       '<(libchromiumcontent_dir)/ffmpeg.dll',
                     ],
                   }],
+                  ['enable_pepper_flash==1', {
+                    'copied_libraries': [
+                      '<(libchromiumcontent_dir)/pepper_flash.dll',
+                    ],
+                  }],
                 ],
               },
               'destination': '<(PRODUCT_DIR)',
@@ -238,6 +243,11 @@
                       '<(libchromiumcontent_dir)/libffmpeg.so',
                     ],
                   }],
+                  ['enable_pepper_flash==1', {
+                    'copied_libraries': [
+                      '<(libchromiumcontent_dir)/libpepper_flash.so',
+                    ],
+                  }],
                 ],
               },
               'destination': '<(PRODUCT_DIR)',
@@ -339,6 +349,26 @@
             '<(libchromiumcontent_src_dir)/chrome/renderer/pepper',
           ],
           'link_settings': {
+            'conditions': [
+              ['libchromiumcontent_component', {
+                'conditions': [
+                  ['OS=="win"', {
+                    'libraries': [
+                      '<(libchromiumcontent_dir)/pepper_flash.dll',
+                     ]
+                  }],
+                  ['OS=="mac"', {
+                    'libraries': [
+                      '<(libchromiumcontent_dir)/libpepper_flash.dylib',
+                    ]
+                  }],
+                  ['OS=="linux"', {
+                    'libraries': [
+                      '<(libchromiumcontent_dir)/libpepper_flash.so',
+                    ]
+                  }],
+                ],
+              }, {
                 'conditions': [
                   ['OS=="win"', {
                     'libraries': [
@@ -350,6 +380,8 @@
                     ]
                   }],
                 ],
+              }],
+            ],
           },
         }],  # enable_pepper_flash
         ['libchromiumcontent_component', {
@@ -710,6 +742,11 @@
                       '<(libchromiumcontent_dir)/libffmpeg.dylib',
                     ],
                   }],
+                  ['enable_pepper_flash==1', {
+                    'copied_libraries': [
+                      '<(libchromiumcontent_dir)/libpepper_flash.dylib',
+                    ],
+                  }],
                 ],
               },
               'destination': '<(PRODUCT_DIR)/<(product_name) Framework.framework/Versions/A/Libraries',