cocoa browser: remove remaining non-MD code

chrome/browser/ui/cocoa/browser_window_utils.mm

 // Copyright (c) 2011 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/browser_window_utils.h"
 
 #include "base/logging.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/global_keyboard_shortcuts_mac.h"
 #include "chrome/browser/ui/browser.h"
 #import "chrome/browser/ui/cocoa/chrome_event_processing_window.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_strip_controller.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "ui/base/material_design/material_design_controller.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 
 using content::NativeWebKeyboardEvent;
 
 namespace {
 
 CGFloat GetPatternVerticalOffsetWithTabStrip(bool tabStripVisible) {
   // Without tab strip, offset an extra pixel (determined by experimentation).
-  if (!ui::MaterialDesignController::IsModeMaterial()) {
-    return tabStripVisible ? 2 : 3;
-  }
-
   return tabStripVisible ? -1 : 0;
 }
 
 }  // namespace
 
 
 @implementation BrowserWindowUtils
 + (BOOL)shouldHandleKeyboardEvent:(const NativeWebKeyboardEvent&)event {
   if (event.skip_in_browser || event.type == NativeWebKeyboardEvent::Char)
     return NO;
@@ skipping 107 matching lines @@
 }
 
 + (void)activateWindowForController:(NSWindowController*)controller {
   // Per http://crbug.com/73779 and http://crbug.com/75223, we need this to
   // properly activate windows if Chrome is not the active application.
   [[controller window] makeKeyAndOrderFront:controller];
   [NSApp activateIgnoringOtherApps:NO];
 }
 
 @end