Coverity: Pass parameters by reference.

chrome/browser/ui/views/extensions/extension_installed_bubble.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_INSTALLED_BUBBLE_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_INSTALLED_BUBBLE_H_
 #pragma once
 
 #include "base/ref_counted.h"
 #include "chrome/browser/ui/views/info_bubble.h"
@@ skipping 27 matching lines @@
     OMNIBOX_KEYWORD,
     BROWSER_ACTION,
     PAGE_ACTION,
     GENERIC
   };
 
   // Creates the ExtensionInstalledBubble and schedules it to be shown once
   // the extension has loaded. |extension| is the installed extension. |browser|
   // is the browser window which will host the bubble. |icon| is the install
   // icon of the extension.
-  static void Show(const Extension* extension, Browser *browser, SkBitmap icon);
+  static void Show(
+      const Extension* extension, Browser *browser, const SkBitmap& icon);
 
  private:
   friend class base::RefCountedThreadSafe<ExtensionInstalledBubble>;
 
   // Private ctor. Registers a listener for EXTENSION_LOADED.
-  ExtensionInstalledBubble(const Extension* extension, Browser *browser,
-                           SkBitmap icon);
+  ExtensionInstalledBubble(
+      const Extension* extension, Browser *browser, const SkBitmap& icon);
 
   virtual ~ExtensionInstalledBubble();
 
   // Shows the bubble. Called internally via PostTask.
   void ShowInternal();
 
   // NotificationObserver
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
@@ skipping 11 matching lines @@
   InstalledBubbleContent* bubble_content_;
   BubbleType type_;
 
   // How many times we've deferred due to animations being in progress.
   int animation_wait_retries_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionInstalledBubble);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_INSTALLED_BUBBLE_H_