Fix MD button hover shadow effect on odd-sized buttons.

ui/views/animation/ink_drop_highlight.cc

 // Copyright 2015 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 "ui/views/animation/ink_drop_highlight.h"
 
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/compositor/callback_layer_animation_observer.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_sequence.h"
@@ skipping 17 matching lines @@
       return std::string("FADE_IN");
     case InkDropHighlight::FADE_OUT:
       return std::string("FADE_OUT");
   }
   NOTREACHED()
       << "Should never be reached but is necessary for some compilers.";
   return std::string("UNKNOWN");
 }
 
 InkDropHighlight::InkDropHighlight(
-    const gfx::Point& center_point,
+    const gfx::PointF& center_point,
     std::unique_ptr<BasePaintedLayerDelegate> layer_delegate)
     : center_point_(center_point),
       visible_opacity_(1.f),
       last_animation_initiated_was_fade_in_(false),
       layer_delegate_(std::move(layer_delegate)),
       layer_(new ui::Layer()),
       observer_(nullptr) {
   const gfx::Rect layer_bounds = layer_delegate_->GetPaintedBounds();
   size_ = explode_size_ = layer_bounds.size();
 
   layer_->SetBounds(layer_bounds);
   layer_->SetFillsBoundsOpaquely(false);
   layer_->set_delegate(layer_delegate_.get());
   layer_->SetVisible(false);
   layer_->SetMasksToBounds(false);
   layer_->set_name("InkDropHighlight:layer");
 }
 
 InkDropHighlight::InkDropHighlight(const gfx::Size& size,
                                    int corner_radius,
-                                   const gfx::Point& center_point,
+                                   const gfx::PointF& center_point,
                                    SkColor color)
     : InkDropHighlight(
           center_point,
           std::unique_ptr<BasePaintedLayerDelegate>(
               new RoundedRectangleLayerDelegate(color, size, corner_radius))) {
   visible_opacity_ = 0.128f;
   layer_->SetOpacity(visible_opacity_);
 }
 
 InkDropHighlight::~InkDropHighlight() {}
@@ skipping 89 matching lines @@
   if (observer_) {
     observer_->AnimationEnded(animation_type,
                               observer.aborted_count()
                                   ? InkDropAnimationEndedReason::PRE_EMPTED
                                   : InkDropAnimationEndedReason::SUCCESS);
   }
   return true;
 }
 
 }  // namespace views