Updating Gamepad API to match latest spec

content/common/gamepad_user_gesture.cc

 // Copyright (c) 2012 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.
 
 #include "content/common/gamepad_user_gesture.h"
 
 #include <algorithm>
 
 #include "third_party/WebKit/public/platform/WebGamepads.h"
 
 namespace content {
 
 bool GamepadsHaveUserGesture(const blink::WebGamepads& gamepads) {
   for (unsigned i = 0; i < blink::WebGamepads::itemsLengthCap; i++) {
     const blink::WebGamepad& pad = gamepads.items[i];
 
     // If the device is physically connected, then check the primary 4 buttons
     // to see if there is currently an intentional user action.
     if (pad.connected) {
       const unsigned kPrimaryInteractionButtons = 4;
       unsigned buttons_to_check = std::min(pad.buttonsLength,
                                            kPrimaryInteractionButtons);
       for (unsigned button_index = 0; button_index < buttons_to_check;
            button_index++) {
-        if (pad.buttons[button_index] > 0.5f)
+        if (pad.buttons[button_index].pressed)
           return true;
       }
     }
   }
   return false;
 }
 
 }  // namespace content