Remove usage of HostZoomMap from c/b/loader via ReadyToCommitNavigation

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index ee2e21e3a83ad9429a9d891c78adca0ebe79e373..cbce8196ae58ca9a520a0afc2c6a1cce61ce0b12 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -495,7 +495,6 @@ class CONTENT_EXPORT RenderViewImpl
   FRIEND_TEST_ALL_PREFIXES(RenderViewTest, MacTestCmdUp);
 #endif
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SetHistoryLengthAndOffset);
-  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ZoomLimit);
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, NavigateFrame);
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, BasicRenderFrame);
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, TextInputTypeWithPepper);
@@ -511,8 +510,6 @@ class CONTENT_EXPORT RenderViewImpl
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplScaleFactorTest,
                            GetCompositionCharacterBoundsTest);
 
-  typedef std::map<GURL, double> HostZoomLevels;
-
   enum ErrorPageType {
     DNS_ERROR,
     HTTP_404,
@@ -609,7 +606,6 @@ class CONTENT_EXPORT RenderViewImpl
   void OnSetInitialFocus(bool reverse);
   void OnSetRendererPrefs(const RendererPreferences& renderer_prefs);
   void OnSetWebUIProperty(const std::string& name, const std::string& value);
-  void OnSetZoomLevelForLoadingURL(const GURL& url, double zoom_level);
   void OnSuppressDialogsUntilSwapOut();
   void OnUpdateTargetURLAck();
   void OnUpdateWebPreferences(const WebPreferences& prefs);
@@ -705,8 +701,6 @@ class CONTENT_EXPORT RenderViewImpl
   WebPreferences webkit_preferences_;
   RendererPreferences renderer_preferences_;
 
-  HostZoomLevels host_zoom_levels_;
-
   // Whether content state (such as form state, scroll position and page
   // contents) should be sent to the browser immediately. This is normally
   // false, but set to true by some tests.