Implement SpdySerializedFrame move semantics.

net/spdy/spdy_frame_builder.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_SPDY_SPDY_FRAME_BUILDER_H_
 #define NET_SPDY_SPDY_FRAME_BUILDER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 56 matching lines @@
   // Populates this frame with a SPDY4/HTTP2 frame prefix using
   // version-specific information from the |framer| and length information from
   // capacity_. The given type must be a control frame type.
   // Used only for SPDY versions >=4.
   bool BeginNewFrame(const SpdyFramer& framer,
                      SpdyFrameType type,
                      uint8_t flags,
                      SpdyStreamId stream_id);
 
   // Takes the buffer from the SpdyFrameBuilder.
-  SpdyFrame* take() {
+  SpdySerializedFrame take() {
     if (version_ == HTTP2) {
       DLOG_IF(DFATAL, SpdyConstants::GetFrameMaximumSize(version_) < length_)
           << "Frame length " << length_
           << " is longer than the maximum allowed length.";
     }
-    SpdyFrame* rv = new SpdyFrame(buffer_.release(), length(), true);
+    SpdySerializedFrame rv(buffer_.release(), length(), true);
     capacity_ = 0;
     length_ = 0;
     offset_ = 0;
     return rv;
   }
 
   // Methods for adding to the payload.  These values are appended to the end
   // of the SpdyFrameBuilder payload. Note - binary integers are converted from
   // host to network form.
   bool WriteUInt8(uint8_t value) { return WriteBytes(&value, sizeof(value)); }
@@ skipping 48 matching lines @@
   size_t capacity_;  // Allocation size of payload, set by constructor.
   size_t length_;    // Length of the latest frame in the buffer.
   size_t offset_;    // Position at which the latest frame begins.
 
   const SpdyMajorVersion version_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_FRAME_BUILDER_H_