[Mac] Remove NSApplication from the renderer.

content/shell/renderer/test_runner/WebTestThemeEngineMac.mm

 // Copyright 2013 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 "content/shell/renderer/test_runner/WebTestThemeEngineMac.h"
 
 #import <AppKit/NSAffineTransform.h>
 #import <AppKit/NSGraphicsContext.h>
 #import <AppKit/NSScroller.h>
 #import <AppKit/NSWindow.h>
@@ skipping 33 matching lines @@
 
 + (NSWindow*)alwaysInactiveWindow
 {
     if (alwaysInactiveWindow == nil)
         alwaysInactiveWindow = [[self alloc] initWithActiveControls:NO];
     return alwaysInactiveWindow;
 }
 
 - (id)initWithActiveControls:(BOOL)_hasActiveControls
 {
-    self = [super init];
-    hasActiveControls = _hasActiveControls;
+    if ((self = [super initWithContentRect:NSMakeRect(0, 0, 100, 100)
+                                 styleMask:0
+                                   backing:NSBackingStoreBuffered
+                                     defer:YES])) {
+        hasActiveControls = _hasActiveControls;
+    }
     return self;
 }
 
 - (BOOL)_hasActiveControls
 {
     return hasActiveControls;
 }
 
 @end
 
@@ skipping 98 matching lines @@
 
     [scroller drawKnob];
     CGContextRestoreGState(cgContext);
 
     [scroller release];
 
     [NSGraphicsContext restoreGraphicsState];
 }
 
 }