Send a message to the renderers when content settings change.

chrome/browser/renderer_host/render_view_host.h

Index: chrome/browser/renderer_host/render_view_host.h
diff --git a/chrome/browser/renderer_host/render_view_host.h b/chrome/browser/renderer_host/render_view_host.h
index 4b6f7e6780cd892d4cac24a78840b7549be1be2e..d66b6152d9235ae449e6cb1ea6a46225e1caa1cd 100644
--- a/chrome/browser/renderer_host/render_view_host.h
+++ b/chrome/browser/renderer_host/render_view_host.h
@@ -26,6 +26,7 @@ class RenderViewHostDelegate;
 class SiteInstance;
 class SkBitmap;
 class ViewMsg_Navigate;
+struct ContentSettings;
 struct ContextMenuParams;
 struct MediaPlayerAction;
 struct ThumbnailScore;
@@ -447,6 +448,10 @@ class RenderViewHost : public RenderWidgetHost {
   // non translated content.
   void UndoTranslatePage(int page_id);
 
+  // Informs renderer of updated content settings.
+  void SendContentSettings(const std::string& host,
+                           const ContentSettings& settings);
+
  protected:
   // RenderWidgetHost protected overrides.
   virtual bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,