Fixed button values for mac XBox gamepad userland driver. (Issue 243995)

content/browser/gamepad/gamepad_platform_data_fetcher_mac.mm

 // 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/browser/gamepad/gamepad_platform_data_fetcher_mac.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/memory/scoped_nsobject.h"
 #include "base/string16.h"
 #include "base/string_util.h"
@@ skipping 389 matching lines @@
         associated_[slot].is_xbox &&
         associated_[slot].xbox.device == device)
       break;
   }
   if (slot == data_.length)
     return;
 
   WebGamepad& pad = data_.items[slot];
 
   for (size_t i = 0; i < 6; i++) {
-    pad.buttons[i] = data.buttons[i] ? 0.0f : 1.1f;
+    pad.buttons[i] = data.buttons[i] ? 1.0f : 0.0f;
   }
   pad.buttons[6] = data.triggers[0];
   pad.buttons[7] = data.triggers[1];
   for (size_t i = 8; i < 17; i++) {
-    pad.buttons[i] = data.buttons[i - 2] ? 0.0f : 1.1f;
+    pad.buttons[i] = data.buttons[i - 2] ? 1.0f : 0.0f;
   }
   for (size_t i = 0; i < arraysize(data.axes); i++) {
     pad.axes[i] = data.axes[i];
   }
 
   pad.timestamp = base::TimeTicks::Now().ToInternalValue();
 }
 
 void GamepadPlatformDataFetcherMac::GetGamepadData(WebGamepads* pads, bool) {
   if (!enabled_ && !xbox_fetcher_) {
     pads->length = 0;
     return;
   }
 
   // Copy to the current state to the output buffer, using the mapping
   // function, if there is one available.
   pads->length = WebGamepads::itemsLengthCap;
   for (size_t i = 0; i < WebGamepads::itemsLengthCap; ++i) {
     if (!associated_[i].is_xbox && associated_[i].hid.mapper)
       associated_[i].hid.mapper(data_.items[i], &pads->items[i]);
     else
       pads->items[i] = data_.items[i];
   }
 }
 
 }  // namespace content