[PDF] Start from an identity transform for drawDevice.

drawDevice, like drawSprite should start from the identity transform instead of applying the passed translation on top of the current transform.

Review URL: http://codereview.appspot.com/4023066

git-svn-id: http://skia.googlecode.com/svn/trunk@757 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pdf/SkPDFDevice.cpp b/src/pdf/SkPDFDevice.cpp
index c022482..9ebc0ca 100644
--- a/src/pdf/SkPDFDevice.cpp
+++ b/src/pdf/SkPDFDevice.cpp
@@ -440,18 +440,21 @@
         SkDevice::drawDevice(d, device, x, y, paint);
         return;
     }
-
     // Assume that a vector capable device means that it's a PDF Device.
     // TODO(vandebo) handle the paint (alpha and compositing mode).
-    SkMatrix matrix;
-    matrix.setTranslate(x, y);
     SkPDFDevice* pdfDevice = static_cast<SkPDFDevice*>(device);
 
-    SkPDFFormXObject* xobject = new SkPDFFormXObject(pdfDevice, matrix);
+    SkMatrix matrix;
+    matrix.setTranslate(x, y);
+    SkMatrix curTransform = setTransform(matrix);
+
+    SkPDFFormXObject* xobject = new SkPDFFormXObject(pdfDevice);
     fXObjectResources.push(xobject);  // Transfer reference.
     fContent.append("/X");
     fContent.appendS32(fXObjectResources.count() - 1);
     fContent.append(" Do\n");
+
+    setTransform(curTransform);
 }
 
 const SkRefPtr<SkPDFDict>& SkPDFDevice::getResourceDict() {