Enable script bubble by default on all but mac.

chrome/browser/extensions/component_loader.h

 // Copyright (c) 2012 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_EXTENSIONS_COMPONENT_LOADER_H_
 #define CHROME_BROWSER_EXTENSIONS_COMPONENT_LOADER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 66 matching lines @@
   // Parse the given JSON manifest. Returns NULL if it cannot be parsed, or if
   // if the result is not a DictionaryValue.
   DictionaryValue* ParseManifest(const std::string& manifest_contents) const;
 
   // Clear the list of registered extensions.
   void ClearAllRegistered();
 
   // Reloads a registered component extension.
   void Reload(const std::string& extension_id);
 
-  // Adds the "Script Bubble" component extension, which puts an icon in the
-  // omnibox indiciating the number of extensions running script in a tab.
-  void AddScriptBubble();
-
-  // Returns the extension previously added by AddScriptBubble(), if any.
-  const Extension* GetScriptBubble() const;
-
  private:
   // Information about a registered component extension.
   struct ComponentExtensionInfo {
     ComponentExtensionInfo(const DictionaryValue* manifest,
                            const FilePath& root_directory);
 
     // The parsed contents of the extensions's manifest file.
     const DictionaryValue* manifest;
 
     // Directory where the extension is stored.
@@ skipping 25 matching lines @@
   PrefService* local_state_;
 
   ExtensionServiceInterface* extension_service_;
 
   // List of registered component extensions (see Extension::Location).
   typedef std::vector<ComponentExtensionInfo> RegisteredComponentExtensions;
   RegisteredComponentExtensions component_extensions_;
 
   PrefChangeRegistrar pref_change_registrar_;
 
-  std::string script_bubble_id_;
-
   DISALLOW_COPY_AND_ASSIGN(ComponentLoader);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_COMPONENT_LOADER_H_