In SkPDFDocument::emitPDF(), stop pre-calculating file offsets.

src/pdf/SkPDFGraphicState.cpp

Index: src/pdf/SkPDFGraphicState.cpp
diff --git a/src/pdf/SkPDFGraphicState.cpp b/src/pdf/SkPDFGraphicState.cpp
index b330fb4abfdc74a6e30d2a01c4489c4a748b5106..f4cb1b227b4338ef28b38c132d277c614b507883 100644
--- a/src/pdf/SkPDFGraphicState.cpp
+++ b/src/pdf/SkPDFGraphicState.cpp
@@ -75,12 +75,6 @@ void SkPDFGraphicState::emitObject(SkWStream* stream, SkPDFCatalog* catalog) {
 }
 
 // static
-size_t SkPDFGraphicState::getOutputSize(SkPDFCatalog* catalog, bool indirect) {
-    populateDict();
-    return SkPDFDict::getOutputSize(catalog, indirect);
-}
-
-// static
 SkTDArray<SkPDFGraphicState::GSCanonicalEntry>& SkPDFGraphicState::CanonicalPaints() {
     CanonicalPaintsMutex().assertHeld();
     static SkTDArray<SkPDFGraphicState::GSCanonicalEntry> gCanonicalPaints;