Gamepad API support for chrome on android

content/browser/gamepad/gamepad_provider.h

Index: content/browser/gamepad/gamepad_provider.h
diff --git a/content/browser/gamepad/gamepad_provider.h b/content/browser/gamepad/gamepad_provider.h
index 5f10f137a14ed8311b94a25d7242fa9596ef227f..201eb06f4766a9d1dacf84a6c8664544b3f4eb8c 100644
--- a/content/browser/gamepad/gamepad_provider.h
+++ b/content/browser/gamepad/gamepad_provider.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.
 
@@ -43,6 +44,12 @@ class CONTENT_EXPORT GamepadProvider :
   base::SharedMemoryHandle GetSharedMemoryHandleForProcess(
       base::ProcessHandle renderer_process);
 
+#if defined(OS_ANDROID)
+  // Returns the state of polling thread regarding Gamepad Data reads via
+  // low-level data fetcher i.e. Paused or Resuming
+  bool GetPollState();
+#endif
+
   // Pause and resume the background polling thread. Can be called from any
   // thread.
   void Pause();
@@ -93,6 +100,12 @@ class CONTENT_EXPORT GamepadProvider :
   // thread, the message loop proxies will normally just be the I/O thread.
   // However, this will be the main thread for unit testing.
   base::Lock user_gesture_lock_;
+
+#if defined(OS_ANDROID)
+  // Maximum time allowed for the thread before polling gets paused in
+  // milliseconds after last gamepad data access from consumer
+  static const int64 max_timestamp_before_pause_;
+#endif
   struct ClosureAndThread {
     ClosureAndThread(const base::Closure& c,
                      const scoped_refptr<base::MessageLoopProxy>& m);