Remove --disable-core-animation flag

chrome/browser/ui/cocoa/tab_contents/tab_contents_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/tab_contents/tab_contents_controller.h"
 
 #include <utility>
 
-#include "base/command_line.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/mac/scoped_nsobject.h"
 #include "chrome/browser/devtools/devtools_window.h"
 #import "chrome/browser/themes/theme_properties.h"
 #import "chrome/browser/themes/theme_service.h"
 #import "chrome/browser/ui/cocoa/themed_window.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "ui/base/cocoa/animation_utils.h"
-#include "ui/base/ui_base_switches.h"
 #include "ui/gfx/geometry/rect.h"
 
 using content::WebContents;
 using content::WebContentsObserver;
 
 // FullscreenObserver is used by TabContentsController to monitor for the
 // showing/destruction of fullscreen render widgets.  When notified,
 // TabContentsController will alter its child view hierarchy to either embed a
 // fullscreen render widget view or restore the normal WebContentsView render
 // view.  The embedded fullscreen render widget will fill the user's screen in
@@ skipping 47 matching lines @@
 }
 
 - (NSColor*)computeBackgroundColor;
 @end
 
 @implementation TabContentsContainerView
 
 - (id)initWithDelegate:(TabContentsController*)delegate {
   if ((self = [super initWithFrame:NSZeroRect])) {
     delegate_ = delegate;
-    if (!CommandLine::ForCurrentProcess()->HasSwitch(
-            switches::kDisableCoreAnimation)) {
-      // TODO(ccameron): Remove the -drawRect: method once the
-      // kDisableCoreAnimation switch is removed.
-      ScopedCAActionDisabler disabler;
-      base::scoped_nsobject<CALayer> layer([[CALayer alloc] init]);
-      [layer setBackgroundColor:CGColorGetConstantColor(kCGColorWhite)];
-      [self setLayer:layer];
-      [self setWantsLayer:YES];
-    }
+    ScopedCAActionDisabler disabler;
+    base::scoped_nsobject<CALayer> layer([[CALayer alloc] init]);
+    [layer setBackgroundColor:CGColorGetConstantColor(kCGColorWhite)];
+    [self setLayer:layer];
+    [self setWantsLayer:YES];
   }
   return self;
 }
 
 // Called by the delegate during dealloc to invalidate the pointer held by this
 // view.
 - (void)delegateDestroyed {
   delegate_ = nil;
 }
 
@@ skipping 241 matching lines @@
     } else {
       rect.ClampToCenteredSize(gfx::Size(
           static_cast<int>(x / captureSize.height()), rect.height()));
     }
   }
 
   return NSRectFromCGRect(rect.ToCGRect());
 }
 
 @end