Only support left/right maximizing at 50% width when the --ash-enable-alternate-caption-button

ash/wm/maximize_bubble_controller.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 "ash/wm/maximize_bubble_controller.h"
 
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_animations.h"
@@ skipping 186 matching lines @@
   virtual bool Contains(const gfx::Point& screen_point,
                         views::MouseWatcherHost::MouseEventType type) OVERRIDE;
  private:
   MaximizeBubbleController::Bubble* bubble_;
 
   DISALLOW_COPY_AND_ASSIGN(BubbleMouseWatcherHost);
 };
 
 // The class which creates and manages the bubble menu element.
 // It creates a 'bubble border' and the content accordingly.
-// Note: Since the SnapSizer will show animations on top of the maximize button
-// this menu gets created as a separate window and the SnapSizer will be
-// created underneath this window.
+// Note: Since the PhantomWindowController will show animations on top of the
+// maximize button this menu gets created as a separate window and the phantom
+// window will be created underneath this window.
 class MaximizeBubbleController::Bubble : public views::BubbleDelegateView,
                                          public views::MouseWatcherListener {
  public:
   explicit Bubble(MaximizeBubbleController* owner, int appearance_delay_ms_);
   virtual ~Bubble() {}
 
-  // The window of the menu under which the SnapSizer will get created.
+  // The window of the menu under which the phantom window will get created.
   aura::Window* GetBubbleWindow();
 
   // Overridden from views::BubbleDelegateView.
   virtual gfx::Rect GetAnchorRect() OVERRIDE;
   virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
   virtual bool CanActivate() const OVERRIDE { return false; }
 
   // Overridden from views::WidgetDelegateView.
   virtual bool WidgetHasHitTestMask() const OVERRIDE;
   virtual void GetWidgetHitTestMask(gfx::Path* mask) const OVERRIDE;
@@ skipping 628 matching lines @@
   if (!GetBoundsInScreen().Contains(screen_location))
     button_row_->ButtonHovered(NULL);
   else
     button_row_->ButtonHovered(this);
 
   // Pass the event on to the normal handler.
   return views::ImageButton::OnMouseDragged(event);
 }
 
 }  // namespace ash