Report decoded webfont blob size to memory-infra

third_party/WebKit/Source/platform/fonts/FontCustomPlatformData.h

Index: third_party/WebKit/Source/platform/fonts/FontCustomPlatformData.h
diff --git a/third_party/WebKit/Source/platform/fonts/FontCustomPlatformData.h b/third_party/WebKit/Source/platform/fonts/FontCustomPlatformData.h
index cffa247cc3045af52f4715d03e85aeb66f58dc2c..055ded0d719971cd0b4b7c8eda94dd6e3e74bee5 100644
--- a/third_party/WebKit/Source/platform/fonts/FontCustomPlatformData.h
+++ b/third_party/WebKit/Source/platform/fonts/FontCustomPlatformData.h
@@ -64,11 +64,13 @@ class PLATFORM_EXPORT FontCustomPlatformData {
       bool italic,
       FontOrientation = FontOrientation::Horizontal);
 
+  size_t dataSize() const { return m_dataSize; }
   static bool supportsFormat(const String&);
 
  private:
-  explicit FontCustomPlatformData(sk_sp<SkTypeface>);
+  FontCustomPlatformData(sk_sp<SkTypeface>, size_t dataSize);
   sk_sp<SkTypeface> m_typeface;
+  size_t m_dataSize;
 };
 
 }  // namespace blink