Revert of cc: Delete all the RendererCapabilities.

cc/test/fake_layer_tree_host.h

Index: cc/test/fake_layer_tree_host.h
diff --git a/cc/test/fake_layer_tree_host.h b/cc/test/fake_layer_tree_host.h
index 2352aed6acef258893daee5fe618c05c3edafb47..5f182de775325c1793376f6b5ac81c54f09108c8 100644
--- a/cc/test/fake_layer_tree_host.h
+++ b/cc/test/fake_layer_tree_host.h
@@ -46,6 +46,7 @@
       ImageSerializationProcessor* image_serialization_processor);
   ~FakeLayerTreeHost() override;
 
+  const RendererCapabilities& GetRendererCapabilities() const override;
   void SetNeedsCommit() override;
   void SetNeedsUpdateLayers() override {}
 
@@ -80,6 +81,11 @@
 
   bool needs_commit() { return needs_commit_; }
 
+  void set_renderer_capabilities(const RendererCapabilities& capabilities) {
+    renderer_capabilities_set = true;
+    renderer_capabilities = capabilities;
+  }
+
  protected:
   FakeLayerTreeHost(FakeLayerTreeHostClient* client,
                     LayerTreeHost::InitParams* params,
@@ -91,6 +97,9 @@
   TestSharedBitmapManager manager_;
   FakeLayerTreeHostImpl host_impl_;
   bool needs_commit_;
+
+  bool renderer_capabilities_set;
+  RendererCapabilities renderer_capabilities;
 };
 
 }  // namespace cc