gfx: Make conversions from Size to SizeF be explicit.

chrome/browser/themes/browser_theme_pack.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 "chrome/browser/themes/browser_theme_pack.h"
 
 #include <limits>
 
 #include "base/files/file.h"
 #include "base/memory/ref_counted_memory.h"
@@ skipping 458 matching lines @@
                                  const color_utils::HSL& hsl_shift) {
   const gfx::ImageSkia* src_image = image.ToImageSkia();
   return gfx::Image(gfx::ImageSkiaOperations::CreateHSLShiftedImage(
       *src_image, hsl_shift));
 }
 
 // Computes a bitmap at one scale from a bitmap at a different scale.
 SkBitmap CreateLowQualityResizedBitmap(const SkBitmap& source_bitmap,
                                        ui::ScaleFactor source_scale_factor,
                                        ui::ScaleFactor desired_scale_factor) {
-  gfx::Size scaled_size = gfx::ToCeiledSize(
-      gfx::ScaleSize(gfx::Size(source_bitmap.width(),
-                               source_bitmap.height()),
-                     ui::GetScaleForScaleFactor(desired_scale_factor) /
-                     ui::GetScaleForScaleFactor(source_scale_factor)));
+  gfx::Size scaled_size = gfx::ScaleToCeiledSize(
+      gfx::Size(source_bitmap.width(), source_bitmap.height()),
+      ui::GetScaleForScaleFactor(desired_scale_factor) /
+          ui::GetScaleForScaleFactor(source_scale_factor));
   SkBitmap scaled_bitmap;
   scaled_bitmap.allocN32Pixels(scaled_size.width(), scaled_size.height());
   scaled_bitmap.eraseARGB(0, 0, 0, 0);
   SkCanvas canvas(scaled_bitmap);
   SkRect scaled_bounds = RectToSkRect(gfx::Rect(scaled_size));
   // Note(oshima): The following scaling code doesn't work with
   // a mask image.
   canvas.drawBitmapRect(source_bitmap, scaled_bounds, NULL);
   return scaled_bitmap;
 }
@@ skipping 1140 matching lines @@
                                            false,
                                            &bitmap_data)) {
       NOTREACHED() << "Unable to encode theme image for prs_id="
                    << prs_id << " for scale_factor=" << scale_factors_[i];
       break;
     }
     image_memory_[scaled_raw_id] =
         base::RefCountedBytes::TakeVector(&bitmap_data);
   }
 }