Migrating majority of gamepad from content/browser/ to device/

device/gamepad/gamepad_data_fetcher.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_BROWSER_GAMEPAD_GAMEPAD_DATA_FETCHER_H_
-#define CONTENT_BROWSER_GAMEPAD_GAMEPAD_DATA_FETCHER_H_
+#ifndef DEVICE_GAMEPAD_GAMEPAD_DATA_FETCHER_H_
+#define DEVICE_GAMEPAD_GAMEPAD_DATA_FETCHER_H_
 
 #include <stdint.h>
 
+#include <limits>
+
 #include "build/build_config.h"
-#include "content/browser/gamepad/gamepad_standard_mappings.h"
+#include "device/gamepad/gamepad_standard_mappings.h"
 #include "third_party/WebKit/public/platform/WebGamepads.h"
 
-namespace content {
+namespace device {
 
 // Abstract interface for imlementing platform- (and test-) specific behaviro
 // for getting the gamepad data.
 class GamepadDataFetcher {
  public:
   virtual ~GamepadDataFetcher() {}
   virtual void GetGamepadData(blink::WebGamepads* pads,
                               bool devices_changed_hint) = 0;
   virtual void PauseHint(bool paused) {}
 
 #if !defined(OS_ANDROID)
   struct PadState {
     // Gamepad data, unmapped.
     blink::WebGamepad data;
 
     // Functions to map from device data to standard layout, if available. May
     // be null if no mapping is available.
     GamepadStandardMappingFunction mapper;
 
     // Sanitization masks
     // axis_mask and button_mask are bitfields that represent the reset state of
     // each input. If a button or axis has ever reported 0 in the past the
     // corresponding bit will be set to 1.
 
     // If we ever increase the max axis count this will need to be updated.
     static_assert(blink::WebGamepad::axesLengthCap <=
-        std::numeric_limits<uint32_t>::digits,
-        "axis_mask is not large enough");
+                      std::numeric_limits<uint32_t>::digits,
+                  "axis_mask is not large enough");
     uint32_t axis_mask;
 
     // If we ever increase the max button count this will need to be updated.
     static_assert(blink::WebGamepad::buttonsLengthCap <=
-        std::numeric_limits<uint32_t>::digits,
-        "button_mask is not large enough");
+                      std::numeric_limits<uint32_t>::digits,
+                  "button_mask is not large enough");
     uint32_t button_mask;
   };
 
   void MapAndSanitizeGamepadData(PadState* pad_state, blink::WebGamepad* pad);
 
  protected:
   PadState pad_state_[blink::WebGamepads::itemsLengthCap];
 #endif
 };
 
-}  // namespace content
+}  // namespace device
 
-#endif  // CONTENT_BROWSER_GAMEPAD_GAMEPAD_DATA_FETCHER_H_
+#endif  // DEVICE_GAMEPAD_GAMEPAD_DATA_FETCHER_H_