Give Chrome Web Store app an icon in its manifest file.

chrome/browser/ui/webui/extensions/extension_icon_source.cc

Index: chrome/browser/ui/webui/extensions/extension_icon_source.cc
diff --git a/chrome/browser/ui/webui/extensions/extension_icon_source.cc b/chrome/browser/ui/webui/extensions/extension_icon_source.cc
index 6e3e1b6e83d0dc72199c1541975dd2a2aff9db07..061eae759ade6dd97988a571a40edddd8309b8d1 100644
--- a/chrome/browser/ui/webui/extensions/extension_icon_source.cc
+++ b/chrome/browser/ui/webui/extensions/extension_icon_source.cc
@@ -135,13 +135,6 @@ ExtensionIconSource::~ExtensionIconSource() {
   STLDeleteValues(&request_map_);
 }
 
-const SkBitmap* ExtensionIconSource::GetWebStoreImage() {
-  if (!web_store_icon_data_.get())
-    web_store_icon_data_.reset(LoadImageByResourceId(IDR_WEBSTORE_ICON));
-
-  return web_store_icon_data_.get();
-}
-
 const SkBitmap* ExtensionIconSource::GetDefaultAppImage() {
   if (!default_app_data_.get())
     default_app_data_.reset(LoadImageByResourceId(IDR_APP_DEFAULT_ICON));
@@ -174,9 +167,7 @@ void ExtensionIconSource::LoadDefaultImage(int request_id) {
   ExtensionIconRequest* request = GetData(request_id);
   const SkBitmap* default_image = NULL;
 
-  if (request->extension->id() == extension_misc::kWebStoreAppId)
-    default_image = GetWebStoreImage();
-  else if (request->extension->is_app())
+  if (request->extension->is_app())
     default_image = GetDefaultAppImage();
   else
     default_image = GetDefaultExtensionImage();