Fix gradient drawing on the Mac. (Base coordinate system != window base coord...

chrome/browser/cocoa/tab_view.mm

 // Copyright (c) 2009 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/nsimage_cache.h"
 #include "chrome/browser/cocoa/tab_controller.h"
 #include "chrome/browser/cocoa/tab_view.h"
 #include "chrome/browser/cocoa/tab_window_controller.h"
 
 
 // Constants for inset and control points for tab shape.
 static const CGFloat kInsetMultiplier = 2.0/3.0;
 static const CGFloat kControlPoint1Multiplier = 1.0/3.0;
 static const CGFloat kControlPoint2Multiplier = 3.0/8.0;
 
-static const CGFloat kToolbarTopOffset = 12;
-static const CGFloat kToolbarMaxHeight = 128;
-
 @implementation TabView
 
 @synthesize state = state_;
 
 - (id)initWithFrame:(NSRect)frame {
   self = [super initWithFrame:frame];
   if (self) {
     chromeIsVisible_ = YES;
     [self setShowsDivider:NO];
     // TODO(alcor): register for theming, either here or the cell
@@ skipping 472 matching lines @@
   [[NSGraphicsContext currentContext] restoreGraphicsState];
 }
 
 // Called when the user hits the right mouse button (or control-clicks) to
 // show a context menu.
 - (void)rightMouseDown:(NSEvent*)theEvent {
   [NSMenu popUpContextMenu:[self menu] withEvent:theEvent forView:self];
 }
 
 @end