aura-x11: Add support for xmodmap'ed pointer buttons.

content/browser/renderer_host/web_input_event_aurax11.cc

 // 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.
 
 // Portions based heavily on:
 // third_party/WebKit/Source/WebKit/chromium/public/gtk/WebInputEventFactory.cpp
 //
 /*
  * Copyright (C) 2006-2011 Google Inc. All rights reserved.
  *
@@ skipping 133 matching lines @@
       case ui::VKEY_RETURN:
         return 0x0A;
       // Returns 0 for all other keys to avoid inputting unexpected chars.
       default:
         break;
     }
   }
   return 0;
 }
 
-WebKit::WebMouseEvent::Button ButtonFromXButton(int button) {
-  switch (button) {
-    case 1:
-      return WebKit::WebMouseEvent::ButtonLeft;
-    case 2:
-      return WebKit::WebMouseEvent::ButtonMiddle;
-    case 3:
-      return WebKit::WebMouseEvent::ButtonRight;
-    default:
-      break;
-  }
-  return WebKit::WebMouseEvent::ButtonNone;
-}
-
-WebKit::WebMouseEvent::Button ButtonFromXState(int state) {
-  if (state & Button1MotionMask)
-    return WebKit::WebMouseEvent::ButtonLeft;
-  if (state & Button2MotionMask)
-    return WebKit::WebMouseEvent::ButtonMiddle;
-  if (state & Button3MotionMask)
-    return WebKit::WebMouseEvent::ButtonRight;
-  return WebKit::WebMouseEvent::ButtonNone;
-}
-
 // We have to count clicks (for double-clicks) manually.
 unsigned int g_num_clicks = 0;
 double g_last_click_time = 0.0;
 int g_last_click_x = 0;
 int g_last_click_y = 0;
 WebKit::WebMouseEvent::Button g_last_click_button =
     WebKit::WebMouseEvent::ButtonNone;
 
 bool ShouldForgetPreviousClick(double time, int x, int y) {
   const double double_click_time = 0.250;  // in seconds
@@ skipping 221 matching lines @@
   }
 
   // Update the type of the touch event.
   web_event->type = TouchEventTypeFromEvent(event);
   web_event->timeStampSeconds = event->time_stamp().ToDoubleT();
 
   return point;
 }
 
 }  // namespace content