Simplify ash shelf layout code.

ash/shelf/shelf_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 "ash/shelf/shelf_view.h"
 
 #include <algorithm>
 
 #include "ash/ash_constants.h"
 #include "ash/ash_switches.h"
@@ skipping 1396 matching lines @@
     last_button_index--;
 
   const gfx::Rect last_button_bounds =
       last_button_index  >= first_visible_index_ ?
           view_model_->ideal_bounds(last_button_index) :
           gfx::Rect(gfx::Size(kShelfSize, kShelfSize));
 
   if (shelf_->IsHorizontalAlignment())
     return gfx::Size(last_button_bounds.right() + leading_inset_, kShelfSize);
 
-  return gfx::Size(kShelfSize,
-                   last_button_bounds.bottom() + leading_inset_);
+  return gfx::Size(kShelfSize, last_button_bounds.bottom() + leading_inset_);
 }
 
 void ShelfView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
   // This bounds change is produced by the shelf movement and all content has
   // to follow. Using an animation at that time would produce a time lag since
   // the animation of the BoundsAnimator has itself a delay before it arrives
   // at the required location. As such we tell the animator to go there
   // immediately.
   BoundsAnimatorDisabler disabler(bounds_animator_.get());
   LayoutToIdealBounds();
@@ skipping 531 matching lines @@
 
 int ShelfView::CalculateShelfDistance(const gfx::Point& coordinate) const {
   const gfx::Rect bounds = GetBoundsInScreen();
   int distance = shelf_->SelectValueForShelfAlignment(
       bounds.y() - coordinate.y(), coordinate.x() - bounds.right(),
       bounds.x() - coordinate.x(), coordinate.y() - bounds.bottom());
   return distance > 0 ? distance : 0;
 }
 
 }  // namespace ash