mac: Use a full-size content view (reland 1).

chrome/browser/ui/cocoa/framed_browser_window.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/framed_browser_window.h"
 
 #include "base/logging.h"
 #include "base/mac/sdk_forward_declarations.h"
 #include "chrome/browser/global_keyboard_shortcuts_mac.h"
 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
@@ skipping 51 matching lines @@
 - (id)initWithContentRect:(NSRect)contentRect
               hasTabStrip:(BOOL)hasTabStrip{
   NSUInteger styleMask = NSTitledWindowMask |
                          NSClosableWindowMask |
                          NSMiniaturizableWindowMask |
                          NSResizableWindowMask |
                          NSTexturedBackgroundWindowMask;
   if ((self = [super initWithContentRect:contentRect
                                styleMask:styleMask
                                  backing:NSBackingStoreBuffered
-                                   defer:YES])) {
+                                   defer:YES
+                  wantsViewsOverTitlebar:hasTabStrip])) {
     // The 10.6 fullscreen code copies the title to a different window, which
     // will assert if it's nil.
     [self setTitle:@""];
 
     // The following two calls fix http://crbug.com/25684 by preventing the
     // window from recalculating the border thickness as the window is
     // resized.
     // This was causing the window tint to change for the default system theme
     // when the window was being resized.
     [self setAutorecalculatesContentBorderThickness:NO forEdge:NSMaxYEdge];
@@ skipping 340 matching lines @@
   ThemedWindowStyle windowStyle = [self themedWindowStyle];
   BOOL incognito = windowStyle & THEMED_INCOGNITO;
 
   if (incognito)
     return [NSColor whiteColor];
   else
     return [NSColor windowFrameTextColor];
 }
 
 @end