Make Surface::GetEligibleFrame const

cc/surfaces/surface_aggregator_unittest.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/output/compositor_frame.h"
 #include "cc/output/delegated_frame_data.h"
 #include "cc/quads/render_pass.h"
 #include "cc/quads/render_pass_draw_quad.h"
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/quads/surface_draw_quad.h"
@@ skipping 796 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ResourceTrackingSurfaceFactoryClient);
 };
 
 void SubmitFrameWithResources(ResourceProvider::ResourceId* resource_ids,
                               size_t num_resource_ids,
                               SurfaceFactory* factory,
                               SurfaceId surface_id) {
   scoped_ptr<DelegatedFrameData> frame_data(new DelegatedFrameData);
   scoped_ptr<RenderPass> pass = RenderPass::Create();
+  pass->id = RenderPass::Id(1, 1);
   SharedQuadState* sqs = pass->CreateAndAppendSharedQuadState();
   for (size_t i = 0u; i < num_resource_ids; ++i) {
     TransferableResource resource;
     resource.id = resource_ids[i];
     resource.is_software = true;
     frame_data->resource_list.push_back(resource);
     TextureDrawQuad* quad = pass->CreateAndAppendDrawQuad<TextureDrawQuad>();
     const gfx::Rect rect;
     const gfx::Rect opaque_rect;
     const gfx::Rect visible_rect;
@@ skipping 49 matching lines @@
     returned_ids[i] = client.returned_resources()[i].id;
   }
   EXPECT_THAT(returned_ids,
               testing::WhenSorted(testing::ElementsAreArray(ids)));
   factory.Destroy(surface_id);
 }
 
 }  // namespace
 }  // namespace cc