Rename WriteString to WriteStringPiece16 in SpdyFrameBuilder

net/spdy/spdy_frame_builder.h

Index: net/spdy/spdy_frame_builder.h
diff --git a/net/spdy/spdy_frame_builder.h b/net/spdy/spdy_frame_builder.h
index bd709770c702a7e856f635b2f00c3d6aa2aa7d64..2cecd65b50e6a8392cc064d09c414f1489f5b42f 100644
--- a/net/spdy/spdy_frame_builder.h
+++ b/net/spdy/spdy_frame_builder.h
@@ -110,8 +110,7 @@ class NET_EXPORT_PRIVATE SpdyFrameBuilder {
     return (WriteBytes(&upper, sizeof(upper)) &&
             WriteBytes(&lower, sizeof(lower)));
   }
-  // TODO(hkhalil) Rename to WriteStringPiece16().
-  bool WriteString(const std::string& value);
+  bool WriteStringPiece16(const base::StringPiece& value);
   bool WriteStringPiece32(const base::StringPiece& value);
   bool WriteBytes(const void* data, uint32 data_len);