Lazy initialize WGC3DInProcessCommandBufferImpl

cc/test/layer_tree_pixel_test.cc

Index: cc/test/layer_tree_pixel_test.cc
diff --git a/cc/test/layer_tree_pixel_test.cc b/cc/test/layer_tree_pixel_test.cc
index bb8e64e0f8d65f58e7b53b293a0975ba2c266b69..7cbbfd419387cc58324a6ef460ebe9b5a5532c42 100644
--- a/cc/test/layer_tree_pixel_test.cc
+++ b/cc/test/layer_tree_pixel_test.cc
@@ -23,8 +23,8 @@ scoped_ptr<OutputSurface> LayerTreePixelTest::CreateOutputSurface() {
 
   using webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl;
   scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context3d(
-      new WebGraphicsContext3DInProcessCommandBufferImpl);
-  context3d->Initialize(WebKit::WebGraphicsContext3D::Attributes(), NULL);
+      new WebGraphicsContext3DInProcessCommandBufferImpl(
+          WebKit::WebGraphicsContext3D::Attributes()));
   return make_scoped_ptr(
       new OutputSurface(context3d.PassAs<WebKit::WebGraphicsContext3D>()));
 }