Gamepad API support for chrome on android

content/browser/gamepad/gamepad_service.h

Index: content/browser/gamepad/gamepad_service.h
diff --git a/content/browser/gamepad/gamepad_service.h b/content/browser/gamepad/gamepad_service.h
index 94620b34b60f901c8b1bfb4865d3092eeb313ee8..1343c9d32e079eaa4fdabc5a02114149345cf83e 100644
--- a/content/browser/gamepad/gamepad_service.h
+++ b/content/browser/gamepad/gamepad_service.h
@@ -1,4 +1,5 @@
 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -11,6 +12,7 @@
 #include "base/memory/shared_memory.h"
 #include "base/memory/singleton.h"
 #include "base/threading/thread_checker.h"
+#include "base/time/time.h"
 #include "content/common/content_export.h"
 
 namespace content {
@@ -44,6 +46,22 @@ class CONTENT_EXPORT GamepadService {
   // while a consumer is active.
   void RegisterForUserGesture(const base::Closure& closure);
 
+#if defined(OS_ANDROID)
+  // Setter amd getter for the last Gamepad Data access timestamp accessed by
+  // the consumer
+  void SetGamepadAccessTimestamp(base::Time);
+  base::Time GetGamepadAccessTimestamp();
+
+  // Returns the state of polling thread regarding Gamepad Data reads via
+  // low-level data fetcher i.e. Paused or Resuming
+  bool GetPollState();
+
+  // Manages pause and resume state of polling thread in GamepadProvider
+  // |provider_|.
+  void Pause();
+  void Resume();
+#endif
+
   // Returns the shared memory handle of the gamepad data duplicated into the
   // given process.
   base::SharedMemoryHandle GetSharedMemoryHandleForProcess(
@@ -65,6 +83,11 @@ class CONTENT_EXPORT GamepadService {
   virtual ~GamepadService();
 
   int num_readers_;
+
+#if defined(OS_ANDROID)
+  // Maintans the timestamp for last Gamepad Data access
+  base::Time gamepad_access_timestamp_;
+#endif
   scoped_ptr<GamepadProvider> provider_;
 
   base::ThreadChecker thread_checker_;