Eliminate all UI thread decoding of extension images....

chrome/browser/extensions/extension_browsertest.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/browser/extensions/extension_browsertest.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/file_path.h"
@@ skipping 69 matching lines @@
 bool ExtensionBrowserTest::LoadExtensionIncognito(const FilePath& path) {
   return LoadExtensionImpl(path, true);
 }
 
 // This class is used to simulate an installation abort by the user.
 class MockAbortExtensionInstallUI : public ExtensionInstallUI {
  public:
   MockAbortExtensionInstallUI() : ExtensionInstallUI(NULL) {}
 
   // Simulate a user abort on an extension installation.
-  void ConfirmInstall(
-      Delegate* delegate, Extension* extension, SkBitmap* icon) {
+  virtual void ConfirmInstall(Delegate* delegate, Extension* extension) {
     delegate->InstallUIAbort();
     MessageLoopForUI::current()->Quit();
   }
 
-  void ConfirmUninstall(Delegate* delegate, Extension* extension,
-                        SkBitmap* icon) {}
+  virtual void ConfirmUninstall(Delegate* delegate, Extension* extension) {}
 
-  void OnInstallSuccess(Extension* extension) {}
+  virtual void OnInstallSuccess(Extension* extension) {}
 
-  void OnInstallFailure(const std::string& error) {}
+  virtual void OnInstallFailure(const std::string& error) {}
 
-  void OnOverinstallAttempted(Extension* extension) {}
+  virtual void OnOverinstallAttempted(Extension* extension) {}
 };
 
 bool ExtensionBrowserTest::InstallOrUpdateExtension(const std::string& id,
                                                     const FilePath& path,
                                                     bool should_cancel,
                                                     int expected_change) {
   ExtensionsService* service = browser()->profile()->GetExtensionsService();
   service->set_show_extensions_prompts(false);
   size_t num_before = service->extensions()->size();
 
@@ skipping 226 matching lines @@
         MessageLoopForUI::current()->Quit();
       }
       break;
     }
 
     default:
       NOTREACHED();
       break;
   }
 }