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/pdf/SkPDFPage.cpp b/src/pdf/SkPDFPage.cpp
index f47f8ff..4cdc000 100644
--- a/src/pdf/SkPDFPage.cpp
+++ b/src/pdf/SkPDFPage.cpp
@@ -147,3 +147,7 @@
 const SkPDFGlyphSetMap& SkPDFPage::getFontGlyphUsage() const {
     return fDevice->getFontGlyphUsage();
 }
+
+void SkPDFPage::appendDestinations(SkPDFDict* dict) {
+    fDevice->appendDestinations(dict, this);
+}