cc: Defer first OutputSurface creation until client is ready

Remove the |first_output_surface| which was not used before
the client signals ready.
This allows the client to wait before creating a graphics context
until the gpu thread and client channel are set up.

BUG=270179
R=danakj@chromium.org, jamesr@chromium.org, jochen@chromium.org

Review URL: https://codereview.chromium.org/85693007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238458 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 4 insertions, 7 deletions

diff --git a/content/test/test_webkit_platform_support.cc b/content/test/test_webkit_platform_support.cc
index bc93658..ea6ea71 100644
--- a/content/test/test_webkit_platform_support.cc
+++ b/content/test/test_webkit_platform_support.cc
@@ -303,8 +303,7 @@ TestWebKitPlatformSupport::createLayerTreeViewForTesting() {
   scoped_ptr<WebLayerTreeViewImplForTesting> view(
       new WebLayerTreeViewImplForTesting());
 
-  if (!view->Initialize())
-    return NULL;
+  view->Initialize();
   return view.release();
 }
 
diff --git a/content/test/web_layer_tree_view_impl_for_testing.cc b/content/test/web_layer_tree_view_impl_for_testing.cc
index 1470e03..d29e68b 100644
--- a/content/test/web_layer_tree_view_impl_for_testing.cc
+++ b/content/test/web_layer_tree_view_impl_for_testing.cc
@@ -36,7 +36,7 @@ WebLayerTreeViewImplForTesting::WebLayerTreeViewImplForTesting() {}
 
 WebLayerTreeViewImplForTesting::~WebLayerTreeViewImplForTesting() {}
 
-bool WebLayerTreeViewImplForTesting::Initialize() {
+void WebLayerTreeViewImplForTesting::Initialize() {
   cc::LayerTreeSettings settings;
 
   // For web contents, layer transforms should scale up the contents of layers
@@ -47,9 +47,7 @@ bool WebLayerTreeViewImplForTesting::Initialize() {
   settings.accelerated_animation_enabled = true;
   layer_tree_host_ =
       cc::LayerTreeHost::CreateSingleThreaded(this, this, NULL, settings);
-  if (!layer_tree_host_)
-    return false;
-  return true;
+  DCHECK(layer_tree_host_);
 }
 
 void WebLayerTreeViewImplForTesting::setSurfaceReady() {
diff --git a/content/test/web_layer_tree_view_impl_for_testing.h b/content/test/web_layer_tree_view_impl_for_testing.h
index 6fec0e3..4f496bb 100644
--- a/content/test/web_layer_tree_view_impl_for_testing.h
+++ b/content/test/web_layer_tree_view_impl_for_testing.h
@@ -26,7 +26,7 @@ class WebLayerTreeViewImplForTesting
   WebLayerTreeViewImplForTesting();
   virtual ~WebLayerTreeViewImplForTesting();
 
-  bool Initialize();
+  void Initialize();
 
   // blink::WebLayerTreeView implementation.
   virtual void setSurfaceReady();