[PDF] Change the way flip origin is done.

The PDF shader matrix is dependent on flip origin or not, so we need to set it at device creation time.

Review URL: http://codereview.appspot.com/4216046

git-svn-id: http://skia.googlecode.com/svn/trunk@855 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pdf/SkPDFPage.cpp b/src/pdf/SkPDFPage.cpp
index 1c470c7..2bec907 100644
--- a/src/pdf/SkPDFPage.cpp
+++ b/src/pdf/SkPDFPage.cpp
@@ -32,7 +32,7 @@
         insert("Resources", fDevice->getResourceDict().get());
         insert("MediaBox", fDevice->getMediaBox().get());
 
-        fContent = fDevice->content(true);
+        fContent = fDevice->content();
         SkRefPtr<SkMemoryStream> contentStream = new SkMemoryStream(
                 fContent.c_str(), fContent.size());
         contentStream->unref();  // SkRefPtr and new both took a reference.