Add flag for window rectangles to GrRenderTarget

tools/gpu/GrTest.cpp

Index: tools/gpu/GrTest.cpp
diff --git a/tools/gpu/GrTest.cpp b/tools/gpu/GrTest.cpp
index 33d88446f21d69b70f929f596125fdf6729b1a1c..d2c72956ea4152707e8df0361126b6ef23a3a051 100644
--- a/tools/gpu/GrTest.cpp
+++ b/tools/gpu/GrTest.cpp
@@ -13,6 +13,7 @@
 #include "GrDrawingManager.h"
 #include "GrGpuResourceCacheAccess.h"
 #include "GrPipelineBuilder.h"
+#include "GrRenderTargetProxy.h"
 #include "GrResourceCache.h"
 
 #include "SkGpuDevice.h"
@@ -258,6 +259,12 @@ void GrDrawContextPriv::testingOnly_drawBatch(const GrPaint& paint,
 #undef RETURN_IF_ABANDONED
 
 ///////////////////////////////////////////////////////////////////////////////
+
+GrRenderTargetPriv::Flags GrRenderTargetProxy::testingOnly_getFlags() const {
+    return fFlags;
+}
+
+///////////////////////////////////////////////////////////////////////////////
 // Code for the mock context. It's built on a mock GrGpu class that does nothing.
 ////