Do right-alignment of popups when WebKit indicates to do so.

chrome/browser/renderer_host/render_widget_host_view_mac.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 #import <QuartzCore/CALayer.h>
 
@@ skipping 161 matching lines @@
   virtual void RenderViewGone();
   virtual void WillDestroyRenderWidget(RenderWidgetHost* rwh) {};
   virtual void Destroy();
   virtual void SetTooltipText(const std::wstring& tooltip_text);
   virtual BackingStore* AllocBackingStore(const gfx::Size& size);
   virtual VideoLayer* AllocVideoLayer(const gfx::Size& size);
   virtual void ShowPopupWithItems(gfx::Rect bounds,
                                   int item_height,
                                   double item_font_size,
                                   int selected_item,
-                                  const std::vector<WebMenuItem>& items);
+                                  const std::vector<WebMenuItem>& items,
+                                  bool right_aligned);
   virtual gfx::Rect GetWindowRect();
   virtual gfx::Rect GetRootWindowRect();
   virtual void SetActive(bool active);
   virtual void SetWindowVisibility(bool visible);
   virtual void WindowFrameChanged();
   virtual void SetBackground(const SkBitmap& background);
   virtual bool ContainsNativeView(gfx::NativeView native_view) const;
 
   // Methods associated with GPU-accelerated plug-in instances.
   virtual gfx::PluginWindowHandle AllocateFakePluginWindowHandle(bool opaque);
@@ skipping 87 matching lines @@
   // Used for positioning a popup menu.
   BaseView* parent_view_;
 
   // Helper class for managing instances of accelerated plug-ins.
   AcceleratedSurfaceContainerManagerMac plugin_container_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMac);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_