Extract Profile-independent GCMService from GCMProfileService

chrome/browser/extensions/extension_gcm_app_handler.h

Index: chrome/browser/extensions/extension_gcm_app_handler.h
diff --git a/chrome/browser/extensions/extension_gcm_app_handler.h b/chrome/browser/extensions/extension_gcm_app_handler.h
index 8e90ddf344df3b41888692c135c864eb05ed32c9..9a7298d95ebbf2c3506a2bebbd557b83ef90bdbc 100644
--- a/chrome/browser/extensions/extension_gcm_app_handler.h
+++ b/chrome/browser/extensions/extension_gcm_app_handler.h
@@ -5,6 +5,10 @@
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_GCM_APP_HANDLER_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_GCM_APP_HANDLER_H_
 
+#include <string>
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/scoped_observer.h"
@@ -16,9 +20,11 @@
 #include "google_apis/gcm/gcm_client.h"
 
 class Profile;
+
 namespace content {
 class BrowserContext;
 }
+
 namespace gcm {
 class GCMProfileService;
 }