Update AppBannerManager & AppBannerManagerAndroid to request badge icon.

chrome/browser/banners/app_banner_manager.h

Index: chrome/browser/banners/app_banner_manager.h
diff --git a/chrome/browser/banners/app_banner_manager.h b/chrome/browser/banners/app_banner_manager.h
index e5dab9f1c095494a4b6384c83320e833f2e2b4ff..68fddb4026c89ffc7a2d8367f50385008d638fc9 100644
--- a/chrome/browser/banners/app_banner_manager.h
+++ b/chrome/browser/banners/app_banner_manager.h
@@ -120,9 +120,10 @@ class AppBannerManager : public content::WebContentsObserver,
   // |code|. Returns the empty string if |code| requires no parameter.
   std::string GetStatusParam(InstallableStatusCode code);
 
-  // Returns the ideal and minimum icon sizes required for being installable.
-  virtual int GetIdealIconSizeInPx();
-  virtual int GetMinimumIconSizeInPx();
+  // Returns the ideal and minimum size requirements for icons.
+  virtual int GetIdealPrimaryIconSizeInPx();
+  virtual int GetMinimumPrimaryIconSizeInPx();
+  virtual int GetIdealBadgeIconSizeInPx();
 
   // Returns a WeakPtr to this object. Exposed so subclasses/infobars may
   // may bind callbacks without needing their own WeakPtrFactory.
@@ -208,11 +209,13 @@ class AppBannerManager : public content::WebContentsObserver,
   // The manifest object.
   content::Manifest manifest_;
 
-  // The URL of the icon.
-  GURL icon_url_;
+  // Icon URLs.
+  GURL primary_icon_url_;
+  GURL badge_icon_url_;
 
-  // The icon object.
-  std::unique_ptr<SkBitmap> icon_;
+  // Icon objects.
+  std::unique_ptr<SkBitmap> primary_icon_;
+  std::unique_ptr<SkBitmap> badge_icon_;
 
   // The referrer string (if any) specified in the app URL. Used only for native
   // app banners.