Plugin Power Saver: Improve Poster behavior for essential plugins.

content/renderer/pepper/plugin_power_saver_helper.h

Index: content/renderer/pepper/plugin_power_saver_helper.h
diff --git a/content/renderer/pepper/plugin_power_saver_helper.h b/content/renderer/pepper/plugin_power_saver_helper.h
index b962993525c9f2b180557aec68877e35a9200071..1b97006211400b3ff6cf00ad6364dbea9087e442 100644
--- a/content/renderer/pepper/plugin_power_saver_helper.h
+++ b/content/renderer/pepper/plugin_power_saver_helper.h
@@ -10,6 +10,7 @@
 
 #include "base/callback.h"
 #include "content/common/content_export.h"
+#include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "url/origin.h"
 
@@ -18,6 +19,10 @@ struct WebPluginParams;
 struct WebRect;
 }
 
+namespace gfx {
+class Size;
+}
+
 namespace content {
 
 class CONTENT_EXPORT PluginPowerSaverHelper : public RenderFrameObserver {
@@ -40,11 +45,10 @@ class CONTENT_EXPORT PluginPowerSaverHelper : public RenderFrameObserver {
   // See RenderFrame for documentation.
   void RegisterPeripheralPlugin(const url::Origin& content_origin,
                                 const base::Closure& unthrottle_callback);
-  bool ShouldThrottleContent(const url::Origin& main_frame_origin,
-                             const url::Origin& content_origin,
-                             int width,
-                             int height,
-                             bool* cross_origin_main_content) const;
+  RenderFrame::PeripheralContentStatus GetPeripheralContentStatus(
+      const url::Origin& main_frame_origin,
+      const url::Origin& content_origin,
+      const gfx::Size& unobscured_size) const;
   void WhitelistContentOrigin(const url::Origin& content_origin);
 
   // RenderFrameObserver implementation.