Consolidate/cleanup event cracking code; single out GdkEvents.

chrome/browser/ui/views/tab_contents/tab_contents_container_native.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.
 
 #include "chrome/browser/ui/views/tab_contents/tab_contents_container.h"
 
 #if defined(HAVE_XINPUT2)
 #include <X11/extensions/XInput2.h>
 #endif
 
@@ skipping 65 matching lines @@
 #if defined(HAVE_XINPUT2)
 bool TabContentsContainer::OnMousePressed(const views::MouseEvent& event) {
   DCHECK(tab_contents_);
   if (event.flags() & (ui::EF_LEFT_BUTTON_DOWN |
                        ui::EF_RIGHT_BUTTON_DOWN |
                        ui::EF_MIDDLE_BUTTON_DOWN)) {
     return false;
   }
   // It is necessary to look at the native event to determine what special
   // button was pressed.
-  views::NativeEvent2 native_event = event.native_event_2();
+  views::NativeEvent native_event = event.native_event();
   if (!native_event)
     return false;
 
   int button = 0;
   switch (native_event->type) {
     case ButtonPress: {
       button = native_event->xbutton.button;
       break;
     }
     case GenericEvent: {
@@ skipping 29 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // TabContentsContainer, private:
 
 void TabContentsContainer::RenderViewHostChanged(RenderViewHost* old_host,
                                                  RenderViewHost* new_host) {
   if (new_host)
     RenderWidgetHostViewChanged(new_host->view());
   native_container_->RenderViewHostChanged(old_host, new_host);
 }