Cleanup SkPDFTypfaceInfo and make it more generic.

Renamed to SkAdvancedTypefaceMetrics.
Include Em size and return all metrics in unscaled font units.
Make retrieval of advances optional.
Reorder SkAdvancedTypefaceMetrics to be somewhat logical.
Change the types of fields in SkAdvancedTypefaceMetrics to their minimum required size.

Review URL: http://codereview.appspot.com/4121049

git-svn-id: http://skia.googlecode.com/svn/trunk@752 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/ports/SkFontHost_android.cpp b/src/ports/SkFontHost_android.cpp
index 98e8df5..73672a7 100644
--- a/src/ports/SkFontHost_android.cpp
+++ b/src/ports/SkFontHost_android.cpp
@@ -585,8 +585,9 @@
 }
 
 // static
-SkPDFTypefaceInfo* SkFontHost::GetPDFTypefaceInfo(uint32_t fontID) {
-    SkASSERT(!"SkFontHost::GetPDFTypefaceInfo unimplemented");
+SkAdvancedTypefaceMetrics* SkFontHost::GetAdvancedTypefaceMetrics(
+        uint32_t fontID, bool perGlyphInfo) {
+    SkASSERT(!"SkFontHost::GetAdvancedTypefaceMetrics unimplemented");
     return NULL;
 }