Refactor the content setting view to allow a subclass for the web intents button.

chrome/browser/ui/views/location_bar/content_setting_image_view.h

Index: chrome/browser/ui/views/location_bar/content_setting_image_view.h
diff --git a/chrome/browser/ui/views/location_bar/content_setting_image_view.h b/chrome/browser/ui/views/location_bar/content_setting_image_view.h
index 6542adb640e77a2b9df3c834cd5d5278f15faee7..87b34d966f812aca7a12699c7c8674d49797bb66 100644
--- a/chrome/browser/ui/views/location_bar/content_setting_image_view.h
+++ b/chrome/browser/ui/views/location_bar/content_setting_image_view.h
@@ -43,7 +43,7 @@ class ContentSettingImageView : public views::ImageView,
 
   // |new_navigation| true if this is a new navigation, false if the tab was
   // just switched to.
-  void UpdateFromWebContents(content::WebContents* web_contents);
+  void Update(TabContents* tab_contents);
 
   // views::View overrides:
   virtual gfx::Size GetPreferredSize() OVERRIDE;
@@ -59,6 +59,12 @@ class ContentSettingImageView : public views::ImageView,
   // TouchableLocationBarView.
   virtual int GetBuiltInHorizontalPadding() const OVERRIDE;
 
+ protected:
+  virtual SkColor button_border_color() const;

[sky, 2012/08/07 03:33:00]

virtual methods shouldn't be named named with unix_hacker_style. Also,
descriptions should be added for at least OnClick().

[Greg Billock, 2012/08/07 19:29:04]

Done.

+  virtual SkColor gradient_top_color() const;
+  virtual SkColor gradient_bottom_color() const;
+  virtual void OnClick();
+
  private:
   // views::ImageView overrides:
   virtual bool OnMousePressed(const views::MouseEvent& event) OVERRIDE;