Change clear() to respect the clip

src/core/SkCanvas.cpp

Index: src/core/SkCanvas.cpp
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index 25d15b450c09836f11e2cd495fd22668aaa32fca..a6f263f517dd387510638b00d7bba207e93cda4e 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -1706,14 +1706,6 @@ void SkCanvas::drawDRRect(const SkRRect& outer, const SkRRect& inner,
 //  These are the virtual drawing methods
 //////////////////////////////////////////////////////////////////////////////
 
-void SkCanvas::clear(SkColor color) {
-    SkDrawIter  iter(this);
-    this->predrawNotify();
-    while (iter.next()) {
-        iter.fDevice->clear(color);
-    }
-}
-
 void SkCanvas::onDiscard() {
     if (fSurfaceBase) {
         fSurfaceBase->aboutToDraw(SkSurface::kDiscard_ContentChangeMode);