Add browser-global GCMDriver

chrome/browser/services/gcm/gcm_utils.cc

Index: chrome/browser/services/gcm/gcm_utils.cc
diff --git a/chrome/browser/services/gcm/gcm_utils.cc b/chrome/browser/services/gcm/gcm_utils.cc
index 803e210e277f2c4517445ec05ee0d90bf0b89e89..d88d4866e1efc4ea52c25e5e1c3e326426a1664c 100644
--- a/chrome/browser/services/gcm/gcm_utils.cc
+++ b/chrome/browser/services/gcm/gcm_utils.cc
@@ -5,7 +5,14 @@
 #include "chrome/browser/services/gcm/gcm_utils.h"
 
 #include "base/logging.h"
+#include "base/sequenced_task_runner.h"
+#include "base/threading/sequenced_worker_pool.h"
 #include "chrome/common/chrome_version_info.h"
+#include "components/gcm_driver/gcm_client_factory.h"
+#include "components/gcm_driver/gcm_driver.h"
+#include "components/gcm_driver/gcm_driver_desktop.h"
+#include "content/public/browser/browser_thread.h"
+#include "google_apis/gcm/gcm_client.h"
 
 namespace gcm {
 
@@ -54,8 +61,6 @@ std::string GetVersion() {
   return version_info.Version();
 }
 
-}  // namespace
-
 GCMClient::ChromeBuildInfo GetChromeBuildInfo() {
   GCMClient::ChromeBuildInfo chrome_build_info;
   chrome_build_info.platform = GetPlatform();
@@ -64,4 +69,30 @@ GCMClient::ChromeBuildInfo GetChromeBuildInfo() {
   return chrome_build_info;
 }
 
+}  // namespace
+
+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) {
+  scoped_refptr<base::SequencedWorkerPool> worker_pool(
+      content::BrowserThread::GetBlockingPool());
+  scoped_refptr<base::SequencedTaskRunner> blocking_task_runner(
+      worker_pool->GetSequencedTaskRunnerWithShutdownBehavior(
+          worker_pool->GetSequenceToken(),
+          base::SequencedWorkerPool::SKIP_ON_SHUTDOWN));
+  return scoped_ptr<GCMDriver>(new GCMDriverDesktop(
+      gcm_client_factory.Pass(),
+      identity_provider.Pass(),
+      GetChromeBuildInfo(),
+      store_path,
+      request_context,
+      content::BrowserThread::GetMessageLoopProxyForThread(
+          content::BrowserThread::UI),
+      content::BrowserThread::GetMessageLoopProxyForThread(
+          content::BrowserThread::IO),
+      blocking_task_runner));
+}
+
 }  // namespace gcm