gfx: Make conversions from Size to SizeF be explicit.

content/browser/android/content_view_core_impl.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 "content/browser/android/content_view_core_impl.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 731 matching lines @@
 
 int ContentViewCoreImpl::GetTopControlsHeightPix() const {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
   if (j_obj.is_null())
     return 0;
   return Java_ContentViewCore_getTopControlsHeightPix(env, j_obj.obj());
 }
 
 gfx::Size ContentViewCoreImpl::GetViewportSizeDip() const {
-  return gfx::ToCeiledSize(
-      gfx::ScaleSize(GetViewportSizePix(), 1.0f / dpi_scale()));
+  return gfx::ScaleToCeiledSize(GetViewportSizePix(), 1.0f / dpi_scale());
 }
 
 bool ContentViewCoreImpl::DoTopControlsShrinkBlinkSize() const {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
   if (j_obj.is_null())
     return false;
   return Java_ContentViewCore_doTopControlsShrinkBlinkSize(env, j_obj.obj());
 }
 
@@ skipping 688 matching lines @@
     return ScopedJavaLocalRef<jobject>();
 
   return view->GetJavaObject();
 }
 
 bool RegisterContentViewCore(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content