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 c1fac2d68f0145202116df15e340e1aaeb156c03..2ccc8efc5968b4566515da54650ffb552276e2ed 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 "chrome/browser/services/gcm/gcm_app_handler.h"
@@ -14,9 +18,11 @@
 #include "google_apis/gcm/gcm_client.h"
 
 class Profile;
+
 namespace content {
 class BrowserContext;
 }
+
 namespace gcm {
 class GCMProfileService;
 }