Pass clip blitter rows preserved request

src/core/SkBlitter.h

Index: src/core/SkBlitter.h
diff --git a/src/core/SkBlitter.h b/src/core/SkBlitter.h
index 992eb86fa043db3d74da1b24cc93890c97f10698..e0e77cc6be389970d3ac88689861df6f6679d1b1 100644
--- a/src/core/SkBlitter.h
+++ b/src/core/SkBlitter.h
@@ -151,6 +151,10 @@ public:
     virtual void blitMask(const SkMask&, const SkIRect& clip) SK_OVERRIDE;
     virtual const SkBitmap* justAnOpaqueColor(uint32_t* value) SK_OVERRIDE;
 
+    virtual int requestRowsPreserved() const SK_OVERRIDE {
+        return fBlitter->requestRowsPreserved();
+    }
+
     virtual void* allocBlitMemory(size_t sz) SK_OVERRIDE {
         return fBlitter->allocBlitMemory(sz);
     }
@@ -182,6 +186,10 @@ public:
     virtual void blitMask(const SkMask&, const SkIRect& clip) SK_OVERRIDE;
     virtual const SkBitmap* justAnOpaqueColor(uint32_t* value) SK_OVERRIDE;
 
+    virtual int requestRowsPreserved() const SK_OVERRIDE {
+        return fBlitter->requestRowsPreserved();
+    }
+
     virtual void* allocBlitMemory(size_t sz) SK_OVERRIDE {
         return fBlitter->allocBlitMemory(sz);
     }