Remove GrFlushToGpuDrawTarget and move functionality up to GrDrawTarget.

src/gpu/GrContext.cpp

Index: src/gpu/GrContext.cpp
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 4547aadfb1d957af611e31635977ada733107c27..f9af6eb8dc93c4bd9976c0b672bae9d3f389ffde 100755
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -1913,7 +1913,7 @@ void GrContext::setupDrawBuffer() {
                                    DRAW_BUFFER_IBPOOL_BUFFER_SIZE,
                                    DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS));
 
-    fDrawBuffer = SkNEW_ARGS(GrInOrderDrawBuffer, (fGpu,
+    fDrawBuffer = SkNEW_ARGS(GrInOrderDrawBuffer, (this,
                                                    fDrawBufferVBAllocPool,
                                                    fDrawBufferIBAllocPool));
 }