gfx: Make conversions from Size to SizeF be explicit.

cc/trees/layer_tree_impl_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 "cc/trees/layer_tree_impl.h"
 
 #include "cc/layers/heads_up_display_layer_impl.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/solid_color_scrollbar_layer_impl.h"
 #include "cc/test/fake_impl_proxy.h"
@@ skipping 100 matching lines @@
   gfx::PointF position;
   gfx::Size bounds(100, 100);
   SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin,
                                position, bounds, true, false, true);
   root->SetDrawsContent(true);
 
   host_impl->SetViewportSize(root->bounds());
   host_impl->active_tree()->SetRootLayer(root.Pass());
   host_impl->UpdateNumChildrenAndDrawPropertiesForActiveTree();
   EXPECT_EQ(
-      gfx::RectF(bounds),
+      gfx::RectF(gfx::SizeF(bounds)),
       host_impl->active_tree()->property_trees()->clip_tree.ViewportClip());
   EXPECT_EQ(gfx::Rect(bounds),
             host_impl->RootLayer()->visible_rect_from_property_trees());
 
   gfx::Size new_bounds(50, 50);
   host_impl->SetViewportSize(new_bounds);
   gfx::Point test_point(51, 51);
   host_impl->active_tree()->FindLayerThatIsHitByPoint(test_point);
   EXPECT_EQ(
-      gfx::RectF(new_bounds),
+      gfx::RectF(gfx::SizeF(new_bounds)),
       host_impl->active_tree()->property_trees()->clip_tree.ViewportClip());
   EXPECT_EQ(gfx::Rect(new_bounds),
             host_impl->RootLayer()->visible_rect_from_property_trees());
 }
 
 TEST_F(LayerTreeImplTest, HitTestingForSingleLayerAndHud) {
   scoped_ptr<LayerImpl> root =
       LayerImpl::Create(host_impl().active_tree(), 12345);
   scoped_ptr<HeadsUpDisplayLayerImpl> hud =
       HeadsUpDisplayLayerImpl::Create(host_impl().active_tree(), 11111);
@@ skipping 1346 matching lines @@
                                  transform_origin, position, bounds, true,
                                  false, false);
 
     test_layer->SetDrawsContent(true);
     test_layer->SetTouchEventHandlerRegion(touch_handler_region);
     root->AddChild(test_layer.Pass());
   }
 
   float device_scale_factor = 3.f;
   float page_scale_factor = 5.f;
-  gfx::Size scaled_bounds_for_root = gfx::ToCeiledSize(
-      gfx::ScaleSize(root->bounds(), device_scale_factor * page_scale_factor));
+  gfx::Size scaled_bounds_for_root = gfx::ScaleToCeiledSize(
+      root->bounds(), device_scale_factor * page_scale_factor);
   host_impl().SetViewportSize(scaled_bounds_for_root);
 
   host_impl().SetDeviceScaleFactor(device_scale_factor);
   host_impl().active_tree()->PushPageScaleFromMainThread(
       page_scale_factor, page_scale_factor, page_scale_factor);
   host_impl().active_tree()->SetPageScaleOnActiveTree(page_scale_factor);
   host_impl().active_tree()->SetRootLayer(root.Pass());
   host_impl().active_tree()->SetViewportLayersFromIds(Layer::INVALID_ID, 1, 1,
                                                       Layer::INVALID_ID);
   host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree();
@@ skipping 437 matching lines @@
     gfx::Size bounds(50, 50);
     SetLayerPropertiesForTesting(sub_layer.get(), identity_matrix,
                                  transform_origin, position, bounds, true,
                                  false, false);
     sub_layer->SetDrawsContent(true);
     root->AddChild(sub_layer.Pass());
   }
 
   float device_scale_factor = 3.f;
   float page_scale_factor = 5.f;
-  gfx::Size scaled_bounds_for_root = gfx::ToCeiledSize(
-      gfx::ScaleSize(root->bounds(), device_scale_factor * page_scale_factor));
+  gfx::Size scaled_bounds_for_root = gfx::ScaleToCeiledSize(
+      root->bounds(), device_scale_factor * page_scale_factor);
   host_impl().SetViewportSize(scaled_bounds_for_root);
 
   host_impl().SetDeviceScaleFactor(device_scale_factor);
   host_impl().active_tree()->PushPageScaleFromMainThread(
       page_scale_factor, page_scale_factor, page_scale_factor);
   host_impl().active_tree()->SetPageScaleOnActiveTree(page_scale_factor);
   host_impl().active_tree()->SetRootLayer(root.Pass());
   host_impl().active_tree()->SetViewportLayersFromIds(Layer::INVALID_ID, 1, 1,
                                                       Layer::INVALID_ID);
   host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree();
@@ skipping 111 matching lines @@
   EXPECT_EQ(0u, host_impl().active_tree()->NumLayers());
   scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl().active_tree(), 1);
   root->AddChild(LayerImpl::Create(host_impl().active_tree(), 2));
   root->AddChild(LayerImpl::Create(host_impl().active_tree(), 3));
   root->child_at(1)->AddChild(LayerImpl::Create(host_impl().active_tree(), 4));
   EXPECT_EQ(4u, host_impl().active_tree()->NumLayers());
 }
 
 }  // namespace
 }  // namespace cc