Mac: Optimize toolbar/bookmark drawing during live resize

chrome/browser/ui/cocoa/tabs/tab_strip_view.h

Index: chrome/browser/ui/cocoa/tabs/tab_strip_view.h
diff --git a/chrome/browser/ui/cocoa/tabs/tab_strip_view.h b/chrome/browser/ui/cocoa/tabs/tab_strip_view.h
index c9196711c24396da57c4853b2c7b4d6a13ee29fd..d2c1c36aab42d7e34171f709c6ecb83625ee4760 100644
--- a/chrome/browser/ui/cocoa/tabs/tab_strip_view.h
+++ b/chrome/browser/ui/cocoa/tabs/tab_strip_view.h
@@ -8,7 +8,6 @@
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
-#import "chrome/browser/ui/cocoa/background_gradient_view.h"
 #import "chrome/browser/ui/cocoa/url_drop_target.h"
 
 @class NewTabButton;
@@ -17,7 +16,7 @@
 // A view class that handles rendering the tab strip and drops of URLS with
 // a positioning locator for drop feedback.
 
-@interface TabStripView : BackgroundGradientView<URLDropTarget> {
+@interface TabStripView : NSView<URLDropTarget> {
  @private
   TabStripController* controller_;  // Weak; owns us.