Add code path for Gr client to resolve an Gr-created MSAA render target.

Review URL: http://codereview.appspot.com/5580049/


git-svn-id: http://skia.googlecode.com/svn/trunk@3112 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index d34ef6a..da97fde 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -1769,7 +1769,7 @@
 }
 
 void SkGpuDevice::flush() {
-    fContext->flush(false);
+    fContext->resolveRenderTarget(fRenderTarget);
 }
 
 ///////////////////////////////////////////////////////////////////////////////