Move system.* family of APIs to extensions/

extensions/browser/extensions_browser_client.h

 // Copyright 2013 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 EXTENSIONS_BROWSER_EXTENSIONS_BROWSER_CLIENT_H_
 #define EXTENSIONS_BROWSER_EXTENSIONS_BROWSER_CLIENT_H_
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "extensions/browser/extension_prefs_observer.h"
 
 class ExtensionFunctionRegistry;
 class PrefService;
 
 namespace base {
 class CommandLine;
 class FilePath;
+class ListValue;
 }
 
 namespace content {
 class BrowserContext;
 class WebContents;
 }
 
 namespace net {
 class NetworkDelegate;
 class URLRequest;
@@ skipping 142 matching lines @@
   // management-related events such as update and installation on behalf of the
   // core runtime API implementation.
   virtual scoped_ptr<RuntimeAPIDelegate> CreateRuntimeAPIDelegate(
       content::BrowserContext* context) const = 0;
 
   // Returns the manager of resource bundles used in extensions. Returns NULL if
   // the manager doesn't exist.
   virtual ComponentExtensionResourceManager*
   GetComponentExtensionResourceManager() = 0;
 
+  // Propage a event to all the renderers. The implementation must be safe to

[Yoyo Zhou, 2014/07/15 00:39:13]

typo: Propagate
I would write: "all the renderers in every browser context." (strictly speaking,
not true because of incognito profiles, but I think that's more than we want to
get into in this comment)

+  // call from any thread.
+  virtual void BroadcastEventToRenderers(const std::string& event_name,
+                                         scoped_ptr<base::ListValue> args) = 0;
+
   // Returns the single instance of |this|.
   static ExtensionsBrowserClient* Get();
 
   // Initialize the single instance.
   static void Set(ExtensionsBrowserClient* client);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSIONS_BROWSER_CLIENT_H_