PDF: add support for named destinations.

Landing patchset 7 from https://codereview.appspot.com/7374052 for dml@google.com
Review URL: https://codereview.chromium.org/12533009

git-svn-id: http://skia.googlecode.com/svn/trunk@8034 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pipe/SkGPipeWrite.cpp b/src/pipe/SkGPipeWrite.cpp
index cfd1e7c..34020df 100644
--- a/src/pipe/SkGPipeWrite.cpp
+++ b/src/pipe/SkGPipeWrite.cpp
@@ -6,6 +6,7 @@
  * found in the LICENSE file.
  */
 
+#include "SkAnnotation.h"
 #include "SkBitmapHeap.h"
 #include "SkCanvas.h"
 #include "SkColorFilter.h"
@@ -47,6 +48,7 @@
         case kShader_PaintFlat:         return paint.getShader();
         case kImageFilter_PaintFlat:    return paint.getImageFilter();
         case kXfermode_PaintFlat:       return paint.getXfermode();
+        case kAnnotation_PaintFlat:     return paint.getAnnotation();
     }
     SkDEBUGFAIL("never gets here");
     return NULL;