Add cc:DrawQuad type for surfaces

cc/output/software_renderer.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/output/software_renderer.h"
 
 #include "base/debug/trace_event.h"
 #include "cc/base/math_util.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
@@ skipping 263 matching lines @@
       break;
     case DrawQuad::SOLID_COLOR:
       DrawSolidColorQuad(frame, SolidColorDrawQuad::MaterialCast(quad));
       break;
     case DrawQuad::TEXTURE_CONTENT:
       DrawTextureQuad(frame, TextureDrawQuad::MaterialCast(quad));
       break;
     case DrawQuad::TILED_CONTENT:
       DrawTileQuad(frame, TileDrawQuad::MaterialCast(quad));
       break;
+    case DrawQuad::SURFACE_CONTENT:
+      // Surface content should be fully resolved to other quad types before
+      // reaching a direct renderer.
+      NOTREACHED();
+      break;
     case DrawQuad::INVALID:
     case DrawQuad::IO_SURFACE_CONTENT:
     case DrawQuad::YUV_VIDEO_CONTENT:
     case DrawQuad::STREAM_VIDEO_CONTENT:
       DrawUnsupportedQuad(frame, quad);
       NOTREACHED();
       break;
   }
 
   current_canvas_->resetMatrix();
@@ skipping 311 matching lines @@
     return;
   visible_ = visible;
 
   if (visible_)
     EnsureBackbuffer();
   else
     DiscardBackbuffer();
 }
 
 }  // namespace cc