cc: Remove implicit conversions from Rect to RectF in src/cc/.

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 477 matching lines @@
   data_for_recursion.should_flatten = false;
   data_for_recursion.ancestor_clips_subtree = true;
   data_for_recursion.device_transform = &device_transform;
 
   data_for_recursion.transform_tree->clear();
   data_for_recursion.clip_tree->clear();
   data_for_recursion.effect_tree->clear();
   data_for_recursion.sequence_number = property_trees->sequence_number;
 
   ClipNode root_clip;
-  root_clip.data.clip = viewport;
+  root_clip.data.clip = gfx::RectF(viewport);
   root_clip.data.transform_id = kRootPropertyTreeNodeId;
   data_for_recursion.clip_tree_parent = data_for_recursion.clip_tree->Insert(
       root_clip, kUnclippedRootClipTreeNodeId);
   BuildPropertyTreesInternal(root_layer, data_for_recursion);
   property_trees->needs_rebuild = false;
 
   // The transform tree is kept up-to-date as it is built, but the
   // combined_clips stored in the clip tree aren't computed during tree
   // building.
   property_trees->transform_tree.set_needs_update(false);
@@ skipping 27 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