Mac: Some clang appeasing.

chrome/browser/cocoa/popup_blocked_animation_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 "chrome/browser/popup_blocked_animation.h"
 
 #import <Cocoa/Cocoa.h>
 #import <QuartzCore/QuartzCore.h>
 
 #import "base/nsimage_cache_mac.h"
@@ skipping 90 matching lines @@
     CGFloat dY = NSHeight(animationFrame) / 2 - imageHeight / 2;
     animationFrame.origin.x += dX;
     animationFrame.origin.y += dY;
     animationFrame.size.width -= dX;
     animationFrame.size.height -= dY;
     animation_ = [[AnimatableImage alloc] initWithImage:image
                                          animationFrame:animationFrame];
     [parentWindow addChildWindow:animation_ ordered:NSWindowAbove];
 
     // Start the animation from the center of the window.
-    NSRect contentFrame = [[animation_ contentView] frame];
     [animation_ setStartFrame:CGRectMake(0,
                                          imageHeight / 2,
                                          imageWidth,
                                          imageHeight)];
 
     // Set the end frame to be small (a la the actual blocked icon) and inset
     // slightly to the Omnibox. While the geometry won't align perfectly, it's
     // close enough for the user to take note of the new icon. These numbers
     // come from measuring the Omnibox without any page actions.
     CGRect endFrame = CGRectMake(animationFrame.size.width - 115,
@@ skipping 50 matching lines @@
   [[animation_ parentWindow] removeChildWindow:animation_];
   [self release];
 }
 
 @end
 
 void PopupBlockedAnimation::Show(TabContents* tab_contents) {
   // The object will clean up itself at the end of the animation.
   [[PopupBlockedAnimationMac alloc] initWithTabContents:tab_contents];
 }