gfx: Make conversions from Size to SizeF be explicit.

cc/blink/web_layer_impl_fixed_bounds_unittest.cc

 // Copyright 2014 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 <vector>
 #include "cc/blink/web_layer_impl_fixed_bounds.h"
 #include "cc/layers/picture_image_layer.h"
 #include "cc/test/fake_layer_tree_host.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/test/test_task_graph_runner.h"
@@ skipping 50 matching lines @@
 TEST(WebLayerImplFixedBoundsTest, BoundsScaleSimple) {
   scoped_ptr<WebLayerImplFixedBounds> layer(new WebLayerImplFixedBounds());
   CheckBoundsScaleSimple(layer.get(), WebSize(100, 200), gfx::Size(150, 250));
   // Change fixed_bounds.
   CheckBoundsScaleSimple(layer.get(), WebSize(100, 200), gfx::Size(75, 100));
   // Change bounds.
   CheckBoundsScaleSimple(layer.get(), WebSize(300, 100), gfx::Size(75, 100));
 }
 
 void ExpectEqualLayerRectsInTarget(cc::Layer* layer1, cc::Layer* layer2) {
-  gfx::RectF layer1_rect_in_target(layer1->bounds());
+  gfx::RectF layer1_rect_in_target(gfx::SizeF(layer1->bounds()));
   layer1->draw_transform().TransformRect(&layer1_rect_in_target);
 
-  gfx::RectF layer2_rect_in_target(layer2->bounds());
+  gfx::RectF layer2_rect_in_target(gfx::SizeF(layer2->bounds()));
   layer2->draw_transform().TransformRect(&layer2_rect_in_target);
 
   EXPECT_FLOAT_RECT_EQ(layer1_rect_in_target, layer2_rect_in_target);
 }
 
 void CompareFixedBoundsLayerAndNormalLayer(const WebFloatPoint& anchor_point,
                                            const gfx::Transform& transform) {
   const gfx::Size kDeviceViewportSize(800, 600);
   const float kDeviceScaleFactor = 2.f;
   const float kPageScaleFactor = 1.5f;
@@ skipping 85 matching lines @@
 
   CompareFixedBoundsLayerAndNormalLayer(WebFloatPoint(0, 0), transform);
 
   // With non-zero anchor point, WebLayerImplFixedBounds will fall back to
   // WebLayerImpl.
   CompareFixedBoundsLayerAndNormalLayer(WebFloatPoint(0.4f, 0.6f), transform);
 }
 
 }  // namespace
 }  // namespace cc_blink