Fail UseRenderPass when the damage rect is empty.

cc/output/direct_renderer.cc

Index: cc/output/direct_renderer.cc
diff --git a/cc/output/direct_renderer.cc b/cc/output/direct_renderer.cc
index 5339f829c2b2b0af105efb910e636f5b47907b0c..e741951e97a2f13c3f8232aeb3c06889b07f8df7 100644
--- a/cc/output/direct_renderer.cc
+++ b/cc/output/direct_renderer.cc
@@ -627,6 +627,9 @@ bool DirectRenderer::UseRenderPass(const RenderPass* render_pass) {
   }
   DCHECK(texture->id());
 
+  if (current_frame()->ComputeScissorRectForRenderPass().IsEmpty())
+    return false;
+
   if (BindFramebufferToTexture(texture)) {
     InitializeViewport(current_frame(), render_pass->output_rect,
                        gfx::Rect(render_pass->output_rect.size()),