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

cc/layers/picture_layer_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 "cc/layers/picture_layer_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <set>
@@ skipping 459 matching lines @@
   // viewport, try to inverse project the viewport into layer space and use
   // that. Otherwise just use visible_rect_for_tile_priority_
   gfx::Rect visible_rect_in_content_space = visible_rect_for_tile_priority_;
   gfx::Rect viewport_rect_for_tile_priority =
       layer_tree_impl()->ViewportRectForTilePriority();
   if (visible_rect_in_content_space.IsEmpty() ||
       layer_tree_impl()->DeviceViewport() != viewport_rect_for_tile_priority) {
     gfx::Transform view_to_layer(gfx::Transform::kSkipInitialization);
     if (screen_space_transform().GetInverse(&view_to_layer)) {
       // Transform from view space to content space.
-      visible_rect_in_content_space =
-          gfx::ToEnclosingRect(MathUtil::ProjectClippedRect(
-              view_to_layer, viewport_rect_for_tile_priority));
+      visible_rect_in_content_space = MathUtil::ProjectEnclosingClippedRect(
+          view_to_layer, viewport_rect_for_tile_priority);
 
       // We have to allow for a viewport that is outside of the layer bounds in
       // order to compute tile priorities correctly for offscreen content that
       // is going to make it on screen. However, we also have to limit the
       // viewport since it can be very large due to screen_space_transforms. As
       // a heuristic, we clip to bounds padded by skewport_extrapolation_limit *
       // maximum tiling scale, since this should allow sufficient room for
       // skewport calculations.
       gfx::Rect padded_bounds(bounds());
       int padding_amount = layer_tree_impl()
@@ skipping 751 matching lines @@
 
 bool PictureLayerImpl::IsOnActiveOrPendingTree() const {
   return !layer_tree_impl()->IsRecycleTree();
 }
 
 bool PictureLayerImpl::HasValidTilePriorities() const {
   return IsOnActiveOrPendingTree() && IsDrawnRenderSurfaceLayerListMember();
 }
 
 }  // namespace cc