[PDF] clear() and drawPaint() where applying the initial transform twice.

src/pdf/SkPDFDevice.cpp

Index: src/pdf/SkPDFDevice.cpp
diff --git a/src/pdf/SkPDFDevice.cpp b/src/pdf/SkPDFDevice.cpp
index bd2631130643e20bed89e7062cc1d9961b2f0a99..ce732b6e2ef723cb0af33517936e70e32e16431e 100644
--- a/src/pdf/SkPDFDevice.cpp
+++ b/src/pdf/SkPDFDevice.cpp
@@ -771,10 +771,8 @@ void SkPDFDevice::internalDrawPaint(const SkPaint& paint,
     }
     SkRect bbox = SkRect::MakeWH(SkIntToScalar(this->width()),
                                  SkIntToScalar(this->height()));
-    SkMatrix totalTransform = fInitialTransform;
-    totalTransform.preConcat(contentEntry->fState.fMatrix);
     SkMatrix inverse;
-    if (!totalTransform.invert(&inverse)) {
+    if (!contentEntry->fState.fMatrix.invert(&inverse)) {
         return;
     }
     inverse.mapRect(&bbox);