[Merge] Make mouse buttons 8 - 11 navigate forward and back in history

content/browser/renderer_host/render_widget_host_view_aura.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/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 246 matching lines @@
     case WM_NCXBUTTONDBLCLK:
       return false;
     default:
       break;
   }
 #elif defined(USE_X11)
   // Renderer only supports standard mouse buttons, so ignore programmable
   // buttons.
   switch (event->type()) {
     case ui::ET_MOUSE_PRESSED:
-    case ui::ET_MOUSE_RELEASED:
-      return event->IsAnyButton();
+    case ui::ET_MOUSE_RELEASED: {
+      const int kAllowedButtons = ui::EF_LEFT_MOUSE_BUTTON |
+                                  ui::EF_MIDDLE_MOUSE_BUTTON |
+                                  ui::EF_RIGHT_MOUSE_BUTTON;
+      return (event->flags() & kAllowedButtons) != 0;
+    }
     default:
       break;
   }
 #endif
   return true;
 }
 
 // We don't mark these as handled so that they're sent back to the
 // DefWindowProc so it can generate WM_APPCOMMAND as necessary.
 bool IsXButtonUpEvent(const ui::MouseEvent* event) {
@@ skipping 2400 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewBase, public:
 
 // static
 void RenderWidgetHostViewBase::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content