Hook up the Push API with GCM's new ability to own encryption keys.

components/gcm_driver/gcm_driver_android.h

Index: components/gcm_driver/gcm_driver_android.h
diff --git a/components/gcm_driver/gcm_driver_android.h b/components/gcm_driver/gcm_driver_android.h
index 5614ba7fa5d449617b1c4a9817dd17bef1b1ec49..c894973c82791df45a6f9782d4c8042ca9051075 100644
--- a/components/gcm_driver/gcm_driver_android.h
+++ b/components/gcm_driver/gcm_driver_android.h
@@ -10,14 +10,22 @@
 #include "base/android/scoped_java_ref.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "components/gcm_driver/gcm_driver.h"
 
+namespace base {
+class FilePath;
+class SequencedTaskRunner;
+}
+
 namespace gcm {
 
 // GCMDriver implementation for Android, using Android GCM APIs.
 class GCMDriverAndroid : public GCMDriver {
  public:
-  GCMDriverAndroid();
+  GCMDriverAndroid(
+      const base::FilePath& store_path,
+      const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner);
   ~GCMDriverAndroid() override;
 
   // Methods called from Java via JNI: