gfx: Make conversions from Size to SizeF be explicit.

cc/output/software_renderer.cc

 // Copyright 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 "cc/output/software_renderer.h"
 
 #include "base/trace_event/trace_event.h"
 #include "cc/base/math_util.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
@@ skipping 501 matching lines @@
 
   SkMatrix content_mat;
   content_mat.setRectToRect(content_rect, dest_rect,
                             SkMatrix::kFill_ScaleToFit);
 
   const SkBitmap* content = lock.sk_bitmap();
 
   SkBitmap filter_bitmap;
   if (!quad->filters.IsEmpty()) {
     skia::RefPtr<SkImageFilter> filter = RenderSurfaceFilters::BuildImageFilter(
-        quad->filters, content_texture->size());
+        quad->filters, gfx::SizeF(content_texture->size()));
     // TODO(ajuma): Apply the filter in the same pass as the content where
     // possible (e.g. when there's no origin offset). See crbug.com/308201.
     filter_bitmap = ApplyImageFilter(filter.get(), quad, content);
   }
 
   skia::RefPtr<SkShader> shader;
   if (filter_bitmap.isNull()) {
     shader = skia::AdoptRef(SkShader::CreateBitmapShader(
         *content, content_tile_mode, content_tile_mode, &content_mat));
   } else {
@@ skipping 191 matching lines @@
 
   SkMatrix filter_backdrop_transform =
       contents_device_transform_inverse.matrix();
   filter_backdrop_transform.preTranslate(backdrop_rect.x(), backdrop_rect.y());
 
   // Draw what's behind, and apply the filter to it.
   SkBitmap backdrop_bitmap = GetBackdropBitmap(backdrop_rect);
 
   skia::RefPtr<SkImageFilter> filter = RenderSurfaceFilters::BuildImageFilter(
       quad->background_filters,
-      gfx::Size(backdrop_bitmap.width(), backdrop_bitmap.height()));
+      gfx::SizeF(backdrop_bitmap.width(), backdrop_bitmap.height()));
   SkBitmap filter_backdrop_bitmap =
       ApplyImageFilter(filter.get(), quad, &backdrop_bitmap);
 
   if (filter_backdrop_bitmap.empty())
     return skia::RefPtr<SkShader>();
 
   return skia::AdoptRef(SkShader::CreateBitmapShader(
       filter_backdrop_bitmap, content_tile_mode, content_tile_mode,
       &filter_backdrop_transform));
 }
 
 }  // namespace cc