Make the maximize button more easily hittable when there is a huge amount of tabs present

chrome/browser/ui/views/extensions/shell_window_frame_view.cc

 // 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.
 
 #include "chrome/browser/ui/views/extensions/shell_window_frame_view.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/views/extensions/native_app_window_views.h"
 #include "extensions/common/draggable_region.h"
 #include "grit/theme_resources.h"
@@ skipping 148 matching lines @@
 
   int closeButtonOffsetX =
       (kCaptionHeight - close_button_->height()) / 2;
   int header_width = close_button_->width() + closeButtonOffsetX * 2;
   return gfx::Rect(client_bounds.x(),
                    std::max(0, client_bounds.y() - kCaptionHeight),
                    std::max(header_width, client_bounds.width()),
                    client_bounds.height() + kCaptionHeight);
 }
 
-int ShellWindowFrameView::NonClientHitTest(const gfx::Point& point) {
+int ShellWindowFrameView::NonClientHitTest(const gfx::Point& point) const {
   if (frame_->IsFullscreen())
     return HTCLIENT;
 
   int resize_inside_bounds_size = kResizeInsideBoundsSize;
   int resize_area_corner_size = kResizeAreaCornerSize;
 
 #if defined(USE_ASH)
   aura::Window* window = frame_->GetNativeWindow();
   if (chrome::IsNativeWindowInAsh(window)) {
     gfx::Rect expanded_bounds = bounds();
@@ skipping 183 matching lines @@
   DCHECK(!window_->frameless());
   if (sender == close_button_)
     frame_->Close();
   else if (sender == maximize_button_)
     frame_->Maximize();
   else if (sender == restore_button_)
     frame_->Restore();
   else if (sender == minimize_button_)
     frame_->Minimize();
 }