Move output surface fallback from cc to embedders

cc/test/fake_layer_tree_host_client.cc

Index: cc/test/fake_layer_tree_host_client.cc
diff --git a/cc/test/fake_layer_tree_host_client.cc b/cc/test/fake_layer_tree_host_client.cc
index 17ed10c0af5b9f81d906760fc5313b253cfac987..a4a5d7ea7086783cc6c84d4a06d62e8cebbea753 100644
--- a/cc/test/fake_layer_tree_host_client.cc
+++ b/cc/test/fake_layer_tree_host_client.cc
@@ -21,7 +21,7 @@ FakeLayerTreeHostClient::FakeLayerTreeHostClient(RendererOptions options)
 
 FakeLayerTreeHostClient::~FakeLayerTreeHostClient() {}
 
-void FakeLayerTreeHostClient::RequestNewOutputSurface(bool fallback) {
+void FakeLayerTreeHostClient::RequestNewOutputSurface() {
   DCHECK(host_);
   scoped_ptr<OutputSurface> surface;
   if (use_software_rendering_) {
@@ -40,4 +40,8 @@ void FakeLayerTreeHostClient::RequestNewOutputSurface(bool fallback) {
   host_->SetOutputSurface(surface.Pass());
 }
 
+void FakeLayerTreeHostClient::DidFailToInitializeOutputSurface() {
+  RequestNewOutputSurface();
+}
+
 }  // namespace cc