Gamepad API support for chrome on android

content/renderer/gamepad_shared_memory_reader.cc

Index: content/renderer/gamepad_shared_memory_reader.cc
diff --git a/content/renderer/gamepad_shared_memory_reader.cc b/content/renderer/gamepad_shared_memory_reader.cc
index 23edeb3a22368251b5614e58c0ed136c505024e9..abcde8c8d68178e21a3290d864a86e2fdcef25c5 100644
--- a/content/renderer/gamepad_shared_memory_reader.cc
+++ b/content/renderer/gamepad_shared_memory_reader.cc
@@ -35,6 +35,14 @@ GamepadSharedMemoryReader::GamepadSharedMemoryReader()
       static_cast<GamepadHardwareBuffer*>(memory);
 }
 
+void GamepadSharedMemoryReader::ResumeGamepads() {
+  RenderThread::Get()->Send(new GamepadHostMsg_ResumePolling());
+}
+
+void GamepadSharedMemoryReader::PauseGamepads() {
+  RenderThread::Get()->Send(new GamepadHostMsg_PausePolling());
+}
+
 void GamepadSharedMemoryReader::SampleGamepads(blink::WebGamepads& gamepads) {
   // ==========
   //   DANGER
@@ -55,6 +63,8 @@ void GamepadSharedMemoryReader::SampleGamepads(blink::WebGamepads& gamepads) {
   const int kMaximumContentionCount = 10;
   int contention_count = -1;
   base::subtle::Atomic32 version;
+  // Update the timestamp for Gamepad Data access by the consumer
+  RenderThread::Get()->Send(new GamepadHostMsg_UpdateTimestamp());
   do {
     version = gamepad_hardware_buffer_->sequence.ReadBegin();
     memcpy(&read_into, &gamepad_hardware_buffer_->buffer, sizeof(read_into));