Move theme files in chrome/browser/ into a themes/ subdir.

chrome/browser/cocoa/gradient_button_cell.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/cocoa/gradient_button_cell.h"
 
 #include "base/logging.h"
 #import "base/scoped_nsobject.h"
-#import "chrome/browser/browser_theme_provider.h"
 #import "chrome/browser/cocoa/image_utils.h"
 #import "chrome/browser/cocoa/themed_window.h"
+#import "chrome/browser/themes/browser_theme_provider.h"
 #include "grit/theme_resources.h"
 #import "third_party/GTM/AppKit/GTMNSColor+Luminance.h"
 
 @interface GradientButtonCell (Private)
 - (void)sharedInit;
 
 // Get drawing parameters for a given cell frame in a given view. The inner
 // frame is the one required by |-drawInteriorWithFrame:inView:|. The inner and
 // outer paths are the ones required by |-drawBorderAndFillForTheme:...|. The
 // outer path also gives the area in which to clip. Any of the |return...|
@@ skipping 684 matching lines @@
   NSBezierPath* boundingPath = nil;
   [self getDrawParamsForFrame:cellFrame
                        inView:controlView
                    innerFrame:NULL
                     innerPath:NULL
                      clipPath:&boundingPath];
   return boundingPath;
 }
 
 @end