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

cc/layers/render_surface_impl.cc

 // Copyright 2011 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/render_surface_impl.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
@@ skipping 23 matching lines @@
       nearest_occlusion_immune_ancestor_(nullptr),
       target_render_surface_layer_index_history_(0),
       current_layer_index_history_(0) {
   damage_tracker_ = DamageTracker::Create();
 }
 
 RenderSurfaceImpl::~RenderSurfaceImpl() {}
 
 gfx::RectF RenderSurfaceImpl::DrawableContentRect() const {
   gfx::RectF drawable_content_rect =
-      MathUtil::MapClippedRect(draw_transform_, content_rect_);
+      MathUtil::MapClippedRect(draw_transform_, gfx::RectF(content_rect_));
   if (owning_layer_->has_replica()) {
-    drawable_content_rect.Union(
-        MathUtil::MapClippedRect(replica_draw_transform_, content_rect_));
+    drawable_content_rect.Union(MathUtil::MapClippedRect(
+        replica_draw_transform_, gfx::RectF(content_rect_)));
   }
 
   return drawable_content_rect;
 }
 
 SkColor RenderSurfaceImpl::GetDebugBorderColor() const {
   return DebugColors::SurfaceBorderColor();
 }
 
 SkColor RenderSurfaceImpl::GetReplicaDebugBorderColor() const {
@@ skipping 179 matching lines @@
   RenderPassDrawQuad* quad =
       render_pass->CreateAndAppendDrawQuad<RenderPassDrawQuad>();
   quad->SetNew(shared_quad_state, content_rect_, visible_layer_rect,
                render_pass_id, mask_resource_id, mask_uv_scale,
                mask_texture_size, owning_layer_->filters(),
                owning_layer_to_target_scale,
                owning_layer_->background_filters());
 }
 
 }  // namespace cc