HTTP retry support.

net/http/http_basic_stream.h

Index: net/http/http_basic_stream.h
diff --git a/net/http/http_basic_stream.h b/net/http/http_basic_stream.h
index 00253c37db4e4a8129f36c1827212ecb140ddbcc..1db5d12700a11d73fbd7e317174ae7acb2bd9eb2 100644
--- a/net/http/http_basic_stream.h
+++ b/net/http/http_basic_stream.h
@@ -66,6 +66,8 @@ class HttpBasicStream : public HttpStream {
 
   virtual int64 GetTotalReceivedBytes() const OVERRIDE;
 
+  virtual int64 GetReceivedBodyLength() const OVERRIDE;
+
   virtual bool GetLoadTimingInfo(
       LoadTimingInfo* load_timing_info) const OVERRIDE;
 
@@ -80,6 +82,12 @@ class HttpBasicStream : public HttpStream {
 
   virtual void SetPriority(RequestPriority priority) OVERRIDE;
 
+  virtual void SetRestartInfo(int64 read_offset,
+                              const void* hash,
+                              size_t hash_length) OVERRIDE;
+
+  virtual void GetHash(void* output, size_t hash_length) OVERRIDE;
+
  private:
   HttpStreamParser* parser() const { return state_.parser(); }