Implement on demand quad rasterization for PicturePiles.

content/common/cc_messages_unittest.cc

Index: content/common/cc_messages_unittest.cc
diff --git a/content/common/cc_messages_unittest.cc b/content/common/cc_messages_unittest.cc
index d843e4b507f26517f04ae841cff2daa5e955a4e8..c66546716ba47c5f25aca15426f192f22e530bd2 100644
--- a/content/common/cc_messages_unittest.cc
+++ b/content/common/cc_messages_unittest.cc
@@ -15,6 +15,7 @@ using cc::DelegatedFrameData;
 using cc::DebugBorderDrawQuad;
 using cc::DrawQuad;
 using cc::IOSurfaceDrawQuad;
+using cc::PictureDrawQuad;
 using cc::RenderPass;
 using cc::RenderPassDrawQuad;
 using cc::ResourceProvider;
@@ -77,6 +78,10 @@ class CCMessagesTest : public testing::Test {
         Compare(IOSurfaceDrawQuad::MaterialCast(a),
                 IOSurfaceDrawQuad::MaterialCast(b));
         break;
+      case DrawQuad::PICTURE_CONTENT:
+        Compare(PictureDrawQuad::MaterialCast(a),
+                PictureDrawQuad::MaterialCast(b));
+        break;
       case DrawQuad::RENDER_PASS:
         Compare(RenderPassDrawQuad::MaterialCast(a),
                 RenderPassDrawQuad::MaterialCast(b));