API modifications needed to upstream Android font changes.

src/core/SkPaint.cpp

Index: src/core/SkPaint.cpp
diff --git a/src/core/SkPaint.cpp b/src/core/SkPaint.cpp
index 6c16428d818b5d99220ff1369a81d114ee2b66dc..193568effb2b322e250b17ae46de5a909df30b0e 100644
--- a/src/core/SkPaint.cpp
+++ b/src/core/SkPaint.cpp
@@ -83,6 +83,7 @@ SkPaint::SkPaint() {
     fHinting    = SkPaintDefaults_Hinting;
     fPrivFlags  = 0;
 #ifdef SK_BUILD_FOR_ANDROID
+    new (&fPaintOptionsAndroid) SkPaintOptionsAndroid;
     fGenerationID = 0;
 #endif
 }
@@ -141,11 +142,15 @@ SkPaint& SkPaint::operator=(const SkPaint& src) {
     SkSafeUnref(fAnnotation);
 
 #ifdef SK_BUILD_FOR_ANDROID
+    fPaintOptionsAndroid.~SkPaintOptionsAndroid();
+
     uint32_t oldGenerationID = fGenerationID;
 #endif
     memcpy(this, &src, sizeof(src));
 #ifdef SK_BUILD_FOR_ANDROID
     fGenerationID = oldGenerationID + 1;
+
+    new (&fPaintOptionsAndroid) SkPaintOptionsAndroid(src.fPaintOptionsAndroid);
 #endif
 
     return *this;
@@ -180,14 +185,19 @@ uint32_t SkPaint::getGenerationID() const {
 void SkPaint::setGenerationID(uint32_t generationID) {
     fGenerationID = generationID;
 }
-#endif
 
-#ifdef SK_BUILD_FOR_ANDROID
 unsigned SkPaint::getBaseGlyphCount(SkUnichar text) const {
     SkAutoGlyphCache autoCache(*this, NULL, NULL);
     SkGlyphCache* cache = autoCache.getCache();
     return cache->getBaseGlyphCount(text);
 }
+
+void SkPaint::setPaintOptionsAndroid(const SkPaintOptionsAndroid& options) {
+    if (options != fPaintOptionsAndroid) {
+        fPaintOptionsAndroid = options;
+        GEN_ID_INC;
+    }
+}
 #endif
 
 void SkPaint::setHinting(Hinting hintingLevel) {
@@ -1806,6 +1816,13 @@ void SkPaint::descriptorProc(const SkDeviceProperties* deviceProperties,
         rec.fMaskFormat = SkMask::kA8_Format;   // force antialiasing when we do the scan conversion
     }
 
+#ifdef SK_BUILD_FOR_ANDROID
+    SkOrderedWriteBuffer androidBuffer(128);
+    fPaintOptionsAndroid.flatten(androidBuffer);
+    descSize += androidBuffer.size();
+    entryCount += 1;
+#endif
+
     ///////////////////////////////////////////////////////////////////////////
     // Now that we're done tweaking the rec, call the PostMakeRec cleanup
     SkScalerContext::PostMakeRec(*this, &rec);
@@ -1818,6 +1835,10 @@ void SkPaint::descriptorProc(const SkDeviceProperties* deviceProperties,
     desc->init();
     desc->addEntry(kRec_SkDescriptorTag, sizeof(rec), &rec);
 
+#ifdef SK_BUILD_FOR_ANDROID
+    add_flattenable(desc, kAndroidOpts_SkDescriptorTag, &androidBuffer);
+#endif
+
     if (pe) {
         add_flattenable(desc, kPathEffect_SkDescriptorTag, &peBuffer);
     }
@@ -1852,6 +1873,11 @@ void SkPaint::descriptorProc(const SkDeviceProperties* deviceProperties,
         desc1->addEntry(kRec_SkDescriptorTag, sizeof(rec), &rec);
         desc2->addEntry(kRec_SkDescriptorTag, sizeof(rec), &rec);
 
+#ifdef SK_BUILD_FOR_ANDROID
+        add_flattenable(desc1, kAndroidOpts_SkDescriptorTag, &androidBuffer);
+        add_flattenable(desc2, kAndroidOpts_SkDescriptorTag, &androidBuffer);
+#endif
+
         if (pe) {
             add_flattenable(desc1, kPathEffect_SkDescriptorTag, &peBuffer);
             add_flattenable(desc2, kPathEffect_SkDescriptorTag, &peBuffer);