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

chrome/browser/renderer_host/render_widget_host_view_mac.mm

 // Copyright (c) 2010 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 <QuartzCore/QuartzCore.h>
 
 #include "chrome/browser/renderer_host/render_widget_host_view_mac.h"
 
 #include "app/surface/io_surface_support_mac.h"
 #import "base/chrome_application_mac.h"
@@ skipping 446 matching lines @@
   NOTIMPLEMENTED();
   return NULL;
 }
 
 // Display a popup menu for WebKit using Cocoa widgets.
 void RenderWidgetHostViewMac::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) {
   is_popup_menu_ = true;
 
   // Retain the Cocoa view for the duration of the pop-up so that it can't
   // be dealloced if my Destroy() method is called while the pop-up's up
   // (which would in turn delete me, causing a crash once the -runMenuInView
   // call returns. That's what was happening in <http://crbug.com/33250>).
   scoped_nsobject<RenderWidgetHostViewCocoa> retainedCocoaView
       ([cocoa_view_ retain]);
 
   NSRect view_rect = [cocoa_view_ bounds];
   NSRect parent_rect = [parent_view_ bounds];
   int y_offset = bounds.y() + bounds.height();
   NSRect position = NSMakeRect(bounds.x(), parent_rect.size.height - y_offset,
                                bounds.width(), bounds.height());
 
   // Display the menu.
   scoped_nsobject<WebMenuRunner> menu_runner;
   menu_runner.reset([[WebMenuRunner alloc] initWithItems:items
-                                                fontSize:item_font_size]);
+                                                fontSize:item_font_size
+                                            rightAligned:right_aligned]);
 
   {
     // Make sure events can be pumped while the menu is up.
     MessageLoop::ScopedNestableTaskAllower allow(MessageLoop::current());
 
     // One of the events that could be pumped is |window.close()|.
     // User-initiated event-tracking loops protect against this by
     // setting flags in -[CrApplication sendEvent:], but since
     // web-content menus are initiated by IPC message the setup has to
     // be done manually.
@@ skipping 537 matching lines @@
 }
 
 - (void)drawRect:(NSRect)dirtyRect {
   if (!renderWidgetHostView_->render_widget_host_) {
     // TODO(shess): Consider using something more noticable?
     [[NSColor whiteColor] set];
     NSRectFill(dirtyRect);
     return;
   }
 
-  DCHECK(renderWidgetHostView_->render_widget_host_->process()->HasConnection());
+  DCHECK(
+      renderWidgetHostView_->render_widget_host_->process()->HasConnection());
   DCHECK(!renderWidgetHostView_->about_to_validate_and_paint_);
 
   renderWidgetHostView_->about_to_validate_and_paint_ = true;
   BackingStoreMac* backing_store = static_cast<BackingStoreMac*>(
       renderWidgetHostView_->render_widget_host_->GetBackingStore(true));
   renderWidgetHostView_->about_to_validate_and_paint_ = false;
 
   if (backing_store) {
     NSRect view_bounds = [self bounds];
     gfx::Rect damaged_rect([self NSRectToRect:dirtyRect]);
@@ skipping 760 matching lines @@
   // doesn't call any NSTextInput functions, such as setMarkedText or
   // insertText. So, we need to send an IPC message to a renderer so it can
   // delete the composition node.
   NSInputManager *currentInputManager = [NSInputManager currentInputManager];
   [currentInputManager markedTextAbandoned:self];
 
   [self unmarkText];
 }
 
 @end