ui: Make gfx::Point::Scale() mutate the class, similar to gfx::Rect.

ui/gfx/shadow_value.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 "ui/gfx/shadow_value.h"
 
 #include <algorithm>
 
 #include "base/stringprintf.h"
 #include "ui/gfx/insets.h"
@@ skipping 11 matching lines @@
                          SkColor color)
     : offset_(offset),
       blur_(blur),
       color_(color) {
 }
 
 ShadowValue::~ShadowValue() {
 }
 
 ShadowValue ShadowValue::Scale(float scale) const {
-  gfx::Point scaled_offset = gfx::ToFlooredPoint(offset_.Scale(scale));
+  gfx::Point scaled_offset =
+      gfx::ToFlooredPoint(gfx::ScalePoint(offset_, scale));
   return ShadowValue(scaled_offset, blur_ * scale, color_);
 }
 
 std::string ShadowValue::ToString() const {
   return base::StringPrintf(
       "(%d,%d),%.2f,rgba(%d,%d,%d,%d)",
       offset_.x(), offset_.y(),
       blur_,
       SkColorGetR(color_),
       SkColorGetG(color_),
@@ skipping 17 matching lines @@
     left = std::max(left, blur - shadow.x());
     top = std::max(top, blur - shadow.y());
     right = std::max(right, blur + shadow.x());
     bottom = std::max(bottom, blur + shadow.y());
   }
 
   return Insets(-top, -left, -bottom, -right);
 }
 
 }  // namespace gfx