Add new extension APIs related to animation policy.

content/public/common/web_preferences.h

 // 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 CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_
 #define CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 40 matching lines @@
 };
 
 enum V8ScriptStreamingMode {
   V8_SCRIPT_STREAMING_MODE_ALL,
   V8_SCRIPT_STREAMING_MODE_ONLY_ASYNC_AND_DEFER,
   V8_SCRIPT_STREAMING_MODE_ALL_PLUS_BLOCK_PARSER_BLOCKING,
   V8_SCRIPT_STREAMING_MODE_LAST =
       V8_SCRIPT_STREAMING_MODE_ALL_PLUS_BLOCK_PARSER_BLOCKING
 };
 
+#if defined(ENABLE_EXTENSIONS)

[jam, 2015/02/03 16:27:01]

extensions is a chrome concept, which content module doesn't know about.

so remove the ifdefs in content. content just exposes settings and its up to
embedders to set them depending on things like extensions etc...

[je_julie(Not used), 2015/02/04 02:20:30]

Done.

+// ImageAnimationPolicy is used for controlling image animation
+// when image frame is rendered for animation.
+// See third_party/WebKit/Source/platform/graphics/ImageAnimationPolicy.h
+// for information on the options.
+enum ImageAnimationPolicy {
+  IMAGE_ANIMATION_POLICY_ALLOWED,
+  IMAGE_ANIMATION_POLICY_ANIMATION_ONCE,
+  IMAGE_ANIMATION_POLICY_NO_ANIMATION
+};
+#endif
+
 // The ISO 15924 script code for undetermined script aka Common. It's the
 // default used on WebKit's side to get/set a font setting when no script is
 // specified.
 CONTENT_EXPORT extern const char kCommonScript[];
 
 // A struct for managing blink's settings.
 //
 // Adding new values to this class probably involves updating
 // blink::WebSettings, content/common/view_messages.h, browser/tab_contents/
 // render_view_host_delegate_helper.cc, and browser/profiles/profile.cc.
@@ skipping 117 matching lines @@
   // only controls whether or not the "document.cookie" field is properly
   // connected to the backing store, for instance if you wanted to be able to
   // define custom getters and setters from within a unique security content
   // without raising a DOM security exception.
   bool cookie_enabled;
 
   // This flag indicates whether H/W accelerated video decode is enabled for
   // pepper plugins. Defaults to false.
   bool pepper_accelerated_video_decode_enabled;
 
+#if defined(ENABLE_EXTENSIONS)
+  ImageAnimationPolicy animation_policy;
+#endif
+
 #if defined(OS_ANDROID)
   bool text_autosizing_enabled;
   float font_scale_factor;
   float device_scale_adjustment;
   bool force_enable_zoom;
   bool fullscreen_supported;
   bool double_tap_to_zoom_enabled;
   bool user_gesture_required_for_media_playback;
   GURL default_video_poster_url;
   bool support_deprecated_target_density_dpi;
@@ skipping 19 matching lines @@
   // We try to keep the default values the same as the default values in
   // chrome, except for the cases where it would require lots of extra work for
   // the embedder to use the same default value.
   WebPreferences();
   ~WebPreferences();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_