Add browser-global GCMDriver

chrome/browser/services/gcm/gcm_utils.h

Index: chrome/browser/services/gcm/gcm_utils.h
diff --git a/chrome/browser/services/gcm/gcm_utils.h b/chrome/browser/services/gcm/gcm_utils.h
index 942dc8bf1a8cc280f691e6f3c4f99e01e3f57e4a..cb0e9da70aacfc51948246cb7ce69b0557ccc289 100644
--- a/chrome/browser/services/gcm/gcm_utils.h
+++ b/chrome/browser/services/gcm/gcm_utils.h
@@ -5,12 +5,29 @@
 #ifndef CHROME_BROWSER_SERVICES_GCM_GCM_UTILS_H_
 #define CHROME_BROWSER_SERVICES_GCM_GCM_UTILS_H_
 
-#include "google_apis/gcm/gcm_client.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+
+class IdentityProvider;
+
+namespace base {
+class FilePath;
+}
+
+namespace net {
+class URLRequestContextGetter;
+}
 
 namespace gcm {
 
-// Returns the chrome build info that is passed to GCM.
-GCMClient::ChromeBuildInfo GetChromeBuildInfo();
+class GCMDriver;
+class GCMClientFactory;
+
+scoped_ptr<GCMDriver> CreateGCMDriverDesktop(
+    scoped_ptr<GCMClientFactory> gcm_client_factory,
+    scoped_ptr<IdentityProvider> identity_provider,
+    const base::FilePath& store_path,
+    const scoped_refptr<net::URLRequestContextGetter>& request_context);
 
 }  // namespace gcm