[Mac] Organize all tab/tab strip files into chrome/browser/ui/cocoa/tabs/....

chrome/browser/ui/cocoa/tabs/tab_window_controller.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.
 
-#import "chrome/browser/ui/cocoa/tab_window_controller.h"
+#import "chrome/browser/ui/cocoa/tabs/tab_window_controller.h"
 
 #include "app/theme_provider.h"
 #include "base/logging.h"
 #import "chrome/browser/ui/cocoa/focus_tracker.h"
-#import "chrome/browser/ui/cocoa/tab_strip_view.h"
+#import "chrome/browser/ui/cocoa/tabs/tab_strip_view.h"
 #import "chrome/browser/ui/cocoa/themed_window.h"
 
 @interface TabWindowController(PRIVATE)
 - (void)setUseOverlay:(BOOL)useOverlay;
 @end
 
 @interface TabWindowOverlayWindow : NSWindow
 @end
 
 @implementation TabWindowOverlayWindow
@@ skipping 326 matching lines @@
   closeDeferred_ = YES;
 }
 
 // Called when the size of the window content area has changed. Override to
 // position specific views. Base class implementation does nothing.
 - (void)layoutSubviews {
   NOTIMPLEMENTED();
 }
 
 @end