gfx: Make conversions from Size to SizeF be explicit.

content/browser/renderer_host/render_widget_host_view_aura.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 "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include <set>
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
@@ skipping 1405 matching lines @@
     return;
 
   // |target_rect| is provided in pixels, not DIPs. So we convert it to DIPs
   // by scaling it by the inverse of the device scale factor.
   gfx::RectF screen_target_rect_f(rect_pixels);
   screen_target_rect_f.Scale(1.0f / current_device_scale_factor_);
   disambiguation_target_rect_ = gfx::ToEnclosingRect(screen_target_rect_f);
 
   float scale = static_cast<float>(zoomed_bitmap.width()) /
                 static_cast<float>(rect_pixels.width());
-  gfx::Size zoomed_size(gfx::ToCeiledSize(
-      gfx::ScaleSize(disambiguation_target_rect_.size(), scale)));
+  gfx::Size zoomed_size =
+      gfx::ScaleToCeiledSize(disambiguation_target_rect_.size(), scale);
 
   // Save of a copy of the |last_scroll_offset_| for comparison when the copy
   // callback fires, to ensure that we haven't scrolled.
   disambiguation_scroll_offset_ = last_scroll_offset_;
 
   CopyFromCompositingSurface(
       disambiguation_target_rect_,
       zoomed_size,
       base::Bind(&RenderWidgetHostViewAura::DisambiguationPopupRendered,
                  weak_ptr_factory_.GetWeakPtr()),
@@ skipping 1446 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewBase, public:
 
 // static
 void RenderWidgetHostViewBase::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content