Add scheme to HostZoomMap

content/browser/host_zoom_map_impl.h

Index: content/browser/host_zoom_map_impl.h
diff --git a/content/browser/host_zoom_map_impl.h b/content/browser/host_zoom_map_impl.h
index 7840188c0d747399cd59fbb42d0871237aafe74f..44cc85c81c56206034ef3b30821540ee1bdeb317 100644
--- a/content/browser/host_zoom_map_impl.h
+++ b/content/browser/host_zoom_map_impl.h
@@ -30,8 +30,11 @@ class CONTENT_EXPORT HostZoomMapImpl : public NON_EXPORTED_BASE(HostZoomMap),
 
   // HostZoomMap implementation:
   virtual void CopyFrom(HostZoomMap* copy) OVERRIDE;
-  virtual double GetZoomLevel(const std::string& host) const OVERRIDE;
-  virtual void SetZoomLevel(const std::string& host, double level) OVERRIDE;
+  virtual double GetZoomLevel(const std::string& scheme,
+                              const std::string& host) const OVERRIDE;
+  virtual void SetZoomLevel(const std::string& scheme,
+                            const std::string& host,
+                            double level) OVERRIDE;
   virtual double GetDefaultZoomLevel() const OVERRIDE;
   virtual void SetDefaultZoomLevel(double level) OVERRIDE;
 
@@ -58,9 +61,11 @@ class CONTENT_EXPORT HostZoomMapImpl : public NON_EXPORTED_BASE(HostZoomMap),
 
  private:
   typedef std::map<std::string, double> HostZoomLevels;
+  typedef std::map<std::string, HostZoomLevels> SchemeHostZoomLevels;
 
   // Copy of the pref data, so that we can read it on the IO thread.
   HostZoomLevels host_zoom_levels_;
+  SchemeHostZoomLevels scheme_host_zoom_levels_;
   double default_zoom_level_;
 
   struct TemporaryZoomLevel {