gfx: Make conversions from Size to SizeF be explicit.

cc/trees/property_tree_builder.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/property_tree_builder.h"
 
 #include <map>
 #include <set>
 
 #include "cc/base/math_util.h"
@@ skipping 118 matching lines @@
                         ancestor_clips_subtree)) {
     // Unclipped surfaces reset the clip rect.
     data_for_children->clip_tree_parent = parent_id;
   } else {
     LayerType* transform_parent = data_for_children->transform_tree_parent;
     if (layer->position_constraint().is_fixed_position() &&
         !created_transform_node) {
       transform_parent = data_for_children->transform_fixed_parent;
     }
     ClipNode node;
-    node.data.clip = gfx::RectF(
-        gfx::PointF() + layer->offset_to_transform_parent(), layer->bounds());
+    node.data.clip =
+        gfx::RectF(gfx::PointF() + layer->offset_to_transform_parent(),
+                   gfx::SizeF(layer->bounds()));
     node.data.transform_id = transform_parent->transform_tree_index();
     node.data.target_id =
         data_for_children->effect_tree->Node(data_for_children->render_target)
             ->data.transform_id;
     node.owner_id = layer->id();
     node.data.inherit_parent_target_space_clip = !layer_clips_subtree &&
                                                  layer->has_render_surface() &&
                                                  ancestor_clips_subtree;
     node.data.requires_tight_clip_rect =
         ancestor_clips_subtree &&
@@ skipping 415 matching lines @@
     const gfx::Rect& viewport,
     const gfx::Transform& device_transform,
     PropertyTrees* property_trees) {
   BuildPropertyTreesTopLevelInternal(
       root_layer, page_scale_layer, inner_viewport_scroll_layer,
       outer_viewport_scroll_layer, page_scale_factor, device_scale_factor,
       viewport, device_transform, property_trees);
 }
 
 }  // namespace cc