Remove some pre-MD code from toolbar/tabstrip/frame.

chrome/browser/ui/views/frame/opaque_browser_frame_view_layout_unittest.cc

 // Copyright 2013 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/ui/views/frame/opaque_browser_frame_view_layout.h"
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/layout_constants.h"
@@ skipping 56 matching lines @@
   bool IsMinimized() const override { return false; }
   bool IsFullscreen() const override { return false; }
   bool IsTabStripVisible() const override { return window_title_.empty(); }
   int GetTabStripHeight() const override {
     return IsTabStripVisible() ? Tab::GetMinimumInactiveSize().height() : 0;
   }
   bool IsToolbarVisible() const override { return true; }
   gfx::Size GetTabstripPreferredSize() const override {
     return IsTabStripVisible() ? gfx::Size(78, 29) : gfx::Size();
   }
-  int GetToolbarLeadingCornerClientWidth() const override { return 0; }
 
  private:
   base::string16 window_title_;
   bool show_caption_buttons_;
   bool maximized_;
 
   DISALLOW_COPY_AND_ASSIGN(TestLayoutDelegate);
 };
 
 }  // namespace
@@ skipping 339 matching lines @@
 
   for (int i = 0; i < 2; ++i) {
     root_view_->Layout();
     SCOPED_TRACE(i == 0 ? "Window is restored" : "Window is maximized");
     ExpectCaptionButtons(false, 0);
     ExpectTabStripAndMinimumSize(false);
     ExpectAvatar();
     delegate_->set_maximized(true);
   }
 }