Add new extension APIs related to animation policy.

content/public/common/web_preferences.cc

Index: content/public/common/web_preferences.cc
diff --git a/content/public/common/web_preferences.cc b/content/public/common/web_preferences.cc
index 8efb6d00cd3a3a021aad3c5d7aea08e7e4f19a63..f5fc16aa6bc692560080c690fe69e97c602a543d 100644
--- a/content/public/common/web_preferences.cc
+++ b/content/public/common/web_preferences.cc
@@ -62,6 +62,16 @@ COMPILE_ASSERT_MATCHING_ENUMS(
     V8_SCRIPT_STREAMING_MODE_LAST,
     WebSettings::V8ScriptStreamingModeAllPlusBlockParsingBlocking);
 
+COMPILE_ASSERT_MATCHING_ENUMS(
+    IMAGE_ANIMATION_POLICY_ALLOWED,
+    WebSettings::ImageAnimationPolicyAllowed);
+COMPILE_ASSERT_MATCHING_ENUMS(
+    IMAGE_ANIMATION_POLICY_ANIMATION_ONCE,
+    WebSettings::ImageAnimationPolicyAnimateOnce);
+COMPILE_ASSERT_MATCHING_ENUMS(
+    IMAGE_ANIMATION_POLICY_NO_ANIMATION,
+    WebSettings::ImageAnimationPolicyNoAnimation);
+
 COMPILE_ASSERT_MATCHING_ENUMS(ui::POINTER_TYPE_NONE,
                               WebSettings::PointerTypeNone);
 COMPILE_ASSERT_MATCHING_ENUMS(ui::POINTER_TYPE_COARSE,
@@ -184,7 +194,8 @@ WebPreferences::WebPreferences()
       v8_script_streaming_mode(V8_SCRIPT_STREAMING_MODE_ALL),
       slimming_paint_enabled(false),
       cookie_enabled(true),
-      pepper_accelerated_video_decode_enabled(false)
+      pepper_accelerated_video_decode_enabled(false),
+      animation_policy(IMAGE_ANIMATION_POLICY_ALLOWED)
 #if defined(OS_ANDROID)
       ,
       text_autosizing_enabled(true),