Add cc::SurfaceInfo::is_valid()

cc/layers/surface_layer_impl.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/layers/surface_layer_impl.h"
 
 #include <stdint.h>
 
 #include "base/trace_event/trace_event_argument.h"
 #include "cc/debug/debug_colors.h"
@@ skipping 60 matching lines @@
   if (primary && fallback_surface_info_.id() != primary_surface_info_.id()) {
     primary->fallback_quad = CreateSurfaceDrawQuad(
         render_pass, SurfaceDrawQuadType::FALLBACK, fallback_surface_info_);
   }
 }
 
 SurfaceDrawQuad* SurfaceLayerImpl::CreateSurfaceDrawQuad(
     RenderPass* render_pass,
     SurfaceDrawQuadType surface_draw_quad_type,
     const SurfaceInfo& surface_info) {
-  if (!surface_info.id().is_valid())
+  if (!surface_info.is_valid())
     return nullptr;
 
   gfx::Rect quad_rect(surface_info.size_in_pixels());
   gfx::Rect visible_quad_rect =
       draw_properties().occlusion_in_content_space.GetUnoccludedContentRect(
           gfx::Rect(bounds()));
 
   float layer_to_content_scale_x, layer_to_content_scale_y;
   if (stretch_content_to_fill_bounds_) {
     // Stretches the surface contents to exactly fill the layer bounds,
@@ skipping 126 matching lines @@
   dict->SetString("surface_id", primary_surface_info_.id().ToString());
   dict->SetString("fallback_surface_id",
                   fallback_surface_info_.id().ToString());
 }
 
 const char* SurfaceLayerImpl::LayerTypeAsString() const {
   return "cc::SurfaceLayerImpl";
 }
 
 }  // namespace cc