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

chrome/browser/ui/cocoa/download/download_started_animation_mac.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.
 //
 // This file contains the Mac implementation the download animation, displayed
 // at the start of a download. The animation produces an arrow pointing
 // downwards and animates towards the bottom of the window where the new
 // download appears in the download shelf.
 
 #include "chrome/browser/download/download_started_animation.h"
 
 #import <QuartzCore/QuartzCore.h>
 
 #include "base/logging.h"
 #import "chrome/browser/ui/cocoa/animatable_image.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/theme_resources.h"
 #import "third_party/google_toolbox_for_mac/src/AppKit/GTMNSAnimation+Duration.h"
 #include "third_party/skia/include/utils/mac/SkCGUtils.h"
+#include "ui/base/cocoa/cocoa_base_utils.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/image/image.h"
 
 class DownloadAnimationWebObserver;
 
 // A class for managing the Core Animation download animation.
 // Should be instantiated using +startAnimationWithWebContents:.
 @interface DownloadStartedAnimationMac : NSObject {
  @private
@@ skipping 31 matching lines @@
     NSView* tabContentsView = webContents->GetNativeView();
     NSWindow* parentWindow = [tabContentsView window];
     if (!parentWindow) {
       // The tab is no longer frontmost.
       [self release];
       return nil;
     }
 
     NSPoint origin = [tabContentsView frame].origin;
     origin = [tabContentsView convertPoint:origin toView:nil];
-    origin = [parentWindow convertBaseToScreen:origin];
+    origin = ui::ConvertPointFromWindowToScreen(parentWindow, origin);
 
     // Create the animation object to assist in animating and fading.
     CGFloat animationHeight = MIN(bounds.height(), 4 * imageHeight);
     NSRect frame = NSMakeRect(origin.x, origin.y, imageWidth_, animationHeight);
     animation_ = [[AnimatableImage alloc] initWithImage:image
                                          animationFrame:frame];
     [parentWindow addChildWindow:animation_ ordered:NSWindowAbove];
 
     animationHeight = MIN(bounds.height(), 3 * imageHeight);
     [animation_ setStartFrame:CGRectMake(0, animationHeight,
@@ skipping 59 matching lines @@
 }
 
 @end
 
 void DownloadStartedAnimation::Show(content::WebContents* web_contents) {
   DCHECK(web_contents);
 
   // Will be deleted when the animation is complete.
   [DownloadStartedAnimationMac startAnimationWithWebContents:web_contents];
 }