Remove dependency of c/b/loader on c/b/host_zoom_map_impl.h

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index b6704419634c20d08c3a8fae2876f96ae7df723a..5cfe6c3fd75dec04b625040310279867f1469007 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -706,6 +706,7 @@ class CONTENT_EXPORT RenderFrameImpl
   FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, ShowPopupThenNavigate);
   FRIEND_TEST_ALL_PREFIXES(RenderAccessibilityImplTest,
                            AccessibilityMessagesQueueWhileSwappedOut);
+  FRIEND_TEST_ALL_PREFIXES(RenderFrameImplTest, ZoomLimit);
 
   // A wrapper class used as the callback for JavaScript executed
   // in an isolated world.
@@ -1038,6 +1039,8 @@ class CONTENT_EXPORT RenderFrameImpl
 
   void InitializeBlameContext(RenderFrameImpl* parent_frame);
 
+  void OnGotZoomLevel(const GURL& url, double zoom_level);
+
   // Stores the WebLocalFrame we are associated with.  This is null from the
   // constructor until BindToWebFrame is called, and it is null after
   // frameDetached is called until destruction (which is asynchronous in the
@@ -1227,6 +1230,8 @@ class CONTENT_EXPORT RenderFrameImpl
 
   std::unique_ptr<blink::WebBluetooth> bluetooth_;
 
+  HostZoomLevels host_zoom_levels_;
+
   // Manages play, pause notifications for WebMediaPlayer implementations; its
   // lifetime is tied to the RenderFrame via the RenderFrameObserver interface.
   media::RendererWebMediaPlayerDelegate* media_player_delegate_;