Move net/third_party/spdy code to a spdy:: namespace

Cq-Include-Trybots: master.tryserver.chromium.android:android_cronet_tester;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: Ib454a13068fd760da17d0cceb1b2e2feebe4608d
Reviewed-on: https://chromium-review.googlesource.com/1064595
Reviewed-by: Misha Efimov <[email protected]>
Reviewed-by: Bence Béky <[email protected]>
Commit-Queue: Ryan Hamilton <[email protected]>
Cr-Commit-Position: refs/heads/master@{#560110}
diff --git a/net/http/bidirectional_stream.h b/net/http/bidirectional_stream.h
index 69f26186..bf0f323 100644
--- a/net/http/bidirectional_stream.h
+++ b/net/http/bidirectional_stream.h
@@ -22,6 +22,10 @@
 #include "net/http/http_stream_request.h"
 #include "net/log/net_log_with_source.h"
 
+namespace spdy {
+class SpdyHeaderBlock;
+}  // namespace spdy
+
 namespace net {
 
 class HttpAuthController;
@@ -29,7 +33,6 @@
 class HttpStream;
 class IOBuffer;
 class ProxyInfo;
-class SpdyHeaderBlock;
 struct BidirectionalStreamRequestInfo;
 struct NetErrorDetails;
 struct SSLConfig;
@@ -62,7 +65,8 @@
     // The delegate may call BidirectionalStream::ReadData to start reading,
     // call BidirectionalStream::SendData to send data,
     // or call BidirectionalStream::Cancel to cancel the stream.
-    virtual void OnHeadersReceived(const SpdyHeaderBlock& response_headers) = 0;
+    virtual void OnHeadersReceived(
+        const spdy::SpdyHeaderBlock& response_headers) = 0;
 
     // Called when a pending read is completed asynchronously.
     // |bytes_read| specifies how much data is read.
@@ -82,7 +86,7 @@
     // are received, which can happen before a read completes.
     // The delegate is able to continue reading if there is no pending read and
     // EOF has not been received, or to send data if there is no pending send.
-    virtual void OnTrailersReceived(const SpdyHeaderBlock& trailers) = 0;
+    virtual void OnTrailersReceived(const spdy::SpdyHeaderBlock& trailers) = 0;
 
     // Called when an error occurred. Do not call into the stream after this
     // point. No other delegate functions will be called after this.
@@ -179,10 +183,11 @@
   void StartRequest(const SSLConfig& ssl_config);
   // BidirectionalStreamImpl::Delegate implementation:
   void OnStreamReady(bool request_headers_sent) override;
-  void OnHeadersReceived(const SpdyHeaderBlock& response_headers) override;
+  void OnHeadersReceived(
+      const spdy::SpdyHeaderBlock& response_headers) override;
   void OnDataRead(int bytes_read) override;
   void OnDataSent() override;
-  void OnTrailersReceived(const SpdyHeaderBlock& trailers) override;
+  void OnTrailersReceived(const spdy::SpdyHeaderBlock& trailers) override;
   void OnFailed(int error) override;
 
   // HttpStreamRequest::Delegate implementation: