clear stencil clip on draw target

src/gpu/GrInOrderDrawBuffer.cpp

Index: src/gpu/GrInOrderDrawBuffer.cpp
diff --git a/src/gpu/GrInOrderDrawBuffer.cpp b/src/gpu/GrInOrderDrawBuffer.cpp
index 753a379ff80489d4221ccd3dbb2d6f5dee265a1c..cfb7f9339ebd890150a3cfb3b0aced9be00e548f 100644
--- a/src/gpu/GrInOrderDrawBuffer.cpp
+++ b/src/gpu/GrInOrderDrawBuffer.cpp
@@ -434,6 +434,19 @@ void GrInOrderDrawBuffer::clear(const SkIRect* rect, GrColor color,
     this->recordTraceMarkersIfNecessary();
 }
 
+void GrInOrderDrawBuffer::clearStencilClip(const SkIRect& rect,
+                                           bool insideClip,
+                                           GrRenderTarget* renderTarget) {
+    if (NULL == renderTarget) {
+        renderTarget = this->drawState()->getRenderTarget();
+        SkASSERT(renderTarget);
+    }
+    ClearStencilClip* clr = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, ClearStencilClip, (renderTarget));
+    clr->fRect = rect;
+    clr->fInsideClip = insideClip;
+    this->recordTraceMarkersIfNecessary();
+}
+
 void GrInOrderDrawBuffer::discard(GrRenderTarget* renderTarget) {
     if (!this->caps()->discardRenderTargetSupport()) {
         return;
@@ -562,6 +575,10 @@ void GrInOrderDrawBuffer::Clear::execute(GrDrawTarget* gpu) {
     }
 }
 
+void GrInOrderDrawBuffer::ClearStencilClip::execute(GrDrawTarget* gpu) {
+        gpu->clearStencilClip(fRect, fInsideClip, this->renderTarget());
+}
+
 void GrInOrderDrawBuffer::CopySurface::execute(GrDrawTarget* gpu) {
     gpu->copySurface(this->dst(), this->src(), fSrcRect, fDstPoint);
 }