Revert "PDF: support perspective in simple shaders. (this version does not work well with tilling)"

src/pdf/SkPDFDevice.cpp

Index: src/pdf/SkPDFDevice.cpp
diff --git a/src/pdf/SkPDFDevice.cpp b/src/pdf/SkPDFDevice.cpp
index e3134f4ac397ddac9faf50f518a40fe53e74e7db..e90edb1408fa790592e2f0766305eb923e72d3b6 100644
--- a/src/pdf/SkPDFDevice.cpp
+++ b/src/pdf/SkPDFDevice.cpp
@@ -648,8 +648,16 @@ private:
     void init(const SkClipStack* clipStack, const SkRegion& clipRegion,
               const SkMatrix& matrix, const SkPaint& paint, bool hasText) {
         fDstFormXObject = NULL;
-        // Shape has to be flatten before we get here.
-        NOT_IMPLEMENTED(!matrix.hasPerspective(), false);
+        if (matrix.hasPerspective() ||
+                (paint.getShader() &&
+                 paint.getShader()->getLocalMatrix().hasPerspective())) {
+            // Just report that PDF does not supports perspective
+            // TODO(edisonn): update the shape when possible
+            // or dump in an image otherwise
+            NOT_IMPLEMENTED(true, false);
+            return;
+        }
+
         if (paint.getXfermode()) {
             paint.getXfermode()->asMode(&fXfermode);
         }
@@ -697,8 +705,9 @@ SkPDFDevice::SkPDFDevice(const SkISize& pageSize, const SkISize& contentSize,
       fLastMarginContentEntry(NULL),
       fClipStack(NULL),
       fEncoder(NULL) {
-    // Just report that PDF does not supports perspective in the
-    // initial transform.
+    // just report that PDF does not supports perspective
+    // TODO(edisonn): update the shape when possible
+    // or dump in an image otherwise
     NOT_IMPLEMENTED(initialTransform.hasPerspective(), true);
 
     // Skia generally uses the top left as the origin but PDF natively has the