Prepare chrome/ for compilation with OS X 10.7 deployment target.

chrome/browser/ui/cocoa/one_click_signin_bubble_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/one_click_signin_bubble_controller.h"
 
 #include "base/strings/sys_string_conversions.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/info_bubble_window.h"
 #import "chrome/browser/ui/cocoa/one_click_signin_view_controller.h"
 #import "chrome/browser/ui/cocoa/toolbar/toolbar_controller.h"
+#include "ui/base/cocoa/cocoa_base_utils.h"
 
 namespace {
 
 void PerformClose(OneClickSigninBubbleController* controller) {
   [controller close];
 }
 
 }  // namespace
 
 @implementation OneClickSigninBubbleController
@@ skipping 12 matching lines @@
                 email:base::string16()
          errorMessage:errorMessage]);
 
   NSWindow* parentWindow = [controller window];
 
   // Set the anchor point to right below the app menu.
   NSView* appMenuButton = [[controller toolbarController] appMenuButton];
   const NSRect bounds = [appMenuButton bounds];
   NSPoint anchorPoint = NSMakePoint(NSMidX(bounds), NSMaxY(bounds));
   anchorPoint = [appMenuButton convertPoint:anchorPoint toView:nil];
-  anchorPoint = [parentWindow convertBaseToScreen:anchorPoint];
+  anchorPoint = ui::ConvertPointFromWindowToScreen(parentWindow, anchorPoint);
 
   // Create an empty window into which content is placed.
   NSRect viewBounds = [[viewController_ view] bounds];
   base::scoped_nsobject<InfoBubbleWindow> window(
       [[InfoBubbleWindow alloc] initWithContentRect:viewBounds
                                           styleMask:NSBorderlessWindowMask
                                             backing:NSBackingStoreBuffered
                                               defer:NO]);
   if (self = [super initWithWindow:window
                       parentWindow:parentWindow
@@ skipping 10 matching lines @@
 - (OneClickSigninViewController*)viewController {
   return viewController_;
 }
 
 - (void)windowWillClose:(NSNotification*)notification {
   [viewController_ viewWillClose];
   [super windowWillClose:notification];
 }
 
 @end  // OneClickSigninBubbleController