MacViews: Consolidate flags. Just use --secondary-ui-md to enable MacViews.

chrome/browser/ui/cocoa/browser_window_controller.mm

 // Copyright 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/browser_window_controller.h"
 
 #include <cmath>
 #include <numeric>
 #include <utility>
 
@@ skipping 77 matching lines @@
 #include "components/signin/core/common/profile_management_switches.h"
 #include "components/translate/core/browser/translate_manager.h"
 #include "components/translate/core/browser/translate_ui_delegate.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
 #import "ui/base/cocoa/cocoa_base_utils.h"
 #import "ui/base/cocoa/nsview_additions.h"
+#include "ui/base/material_design/material_design_controller.h"
 #include "ui/display/screen.h"
 #import "ui/gfx/mac/coordinate_conversion.h"
 #include "ui/gfx/mac/scoped_cocoa_disable_screen_updates.h"
 
 using bookmarks::BookmarkModel;
 using bookmarks::BookmarkNode;
 
 // ORGANIZATION: This is a big file. It is (in principle) organized as follows
 // (in order):
 // 1. Interfaces. Very short, one-time-use classes may include an implementation
@@ skipping 1373 matching lines @@
 }
 
 // Show the bookmark bubble (e.g. user just clicked on the STAR).
 - (void)showBookmarkBubbleForURL:(const GURL&)url
                alreadyBookmarked:(BOOL)alreadyMarked {
   if (bookmarkBubbleObserver_.get())
     return;
 
   bookmarkBubbleObserver_.reset(new BookmarkBubbleObserverCocoa(self));
 
-  if (chrome::ToolkitViewsDialogsEnabled()) {
+  if (ui::MaterialDesignController::IsSecondaryUiMaterial()) {
     chrome::ShowBookmarkBubbleViewsAtPoint(
         gfx::ScreenPointFromNSPoint(ui::ConvertPointFromWindowToScreen(
             [self window], [self bookmarkBubblePoint])),
         [[self window] contentView], bookmarkBubbleObserver_.get(),
         browser_.get(), url, alreadyMarked);
   } else {
     BookmarkModel* model =
         BookmarkModelFactory::GetForBrowserContext(browser_->profile());
     bookmarks::ManagedBookmarkService* managed =
         ManagedBookmarkServiceFactory::GetForProfile(browser_->profile());
@@ skipping 472 matching lines @@
 
 - (NSRect)savedRegularWindowFrame {
   return savedRegularWindowFrame_;
 }
 
 - (BOOL)isFullscreenTransitionInProgress {
   return enteringAppKitFullscreen_ || exitingAppKitFullscreen_;
 }
 
 @end  // @implementation BrowserWindowController(WindowType)