Adds the option of aligning the launcher to the left or right. There

ui/gfx/monitor.h

 // 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.
 
 #ifndef UI_GFX_MONITOR_H_
 #define UI_GFX_MONITOR_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 37 matching lines @@
   // standard monitors (which is around 100~120dpi.) The potential return
   // values depend on each platforms.
   float device_scale_factor() const { return device_scale_factor_; }
   void set_device_scale_factor(float scale) { device_scale_factor_ = scale; }
 
   // Utility functions that just return the size of monitor and
   // work area.
   const Size& size() const { return bounds_.size(); }
   const Size& work_area_size() const { return work_area_.size(); }
 
+  // Returns the work area insets.
+  Insets GetWorkAreaInsets() const;
+
   // Sets the device scale factor and monitor bounds in pixel. This
   // updates the work are using the same insets between old bounds and
   // work area.
   void SetScaleAndBounds(float device_scale_factor,
                          const gfx::Rect& bounds_in_pixel);
 
   // Sets the monitor's size. This updates the work area using the same insets
   // between old bounds and work area.
   void SetSize(const gfx::Size& size_in_pixel);
 
@@ skipping 21 matching lines @@
   Rect work_area_;
 #if defined(USE_AURA)
   Rect bounds_in_pixel_;
 #endif
   float device_scale_factor_;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_MONITOR_H_