Implement HostPortAllocator.

remoting/host/url_fetcher.cc

Index: remoting/host/url_fetcher.cc
diff --git a/remoting/host/url_fetcher.cc b/remoting/host/url_fetcher.cc
index 1844d0cd54d3c9166f690f2018fe6681e6912ecc..9f5084b67b59d35628c390f82c8dcf0397b4507e 100644
--- a/remoting/host/url_fetcher.cc
+++ b/remoting/host/url_fetcher.cc
@@ -24,6 +24,7 @@ class UrlFetcher::Core : public base::RefCountedThreadSafe<Core>,
       net::URLRequestContextGetter* request_context_getter);
   void SetUploadData(const std::string& upload_content_type,
                      const std::string& upload_content);
+  void SetHeader(const std::string& key, const std::string& value);
   void Start(const UrlFetcher::DoneCallback& done_callback);
 
   void Detach();
@@ -57,6 +58,8 @@ class UrlFetcher::Core : public base::RefCountedThreadSafe<Core>,
   std::string upload_content_;
   std::string upload_content_type_;
 
+  net::HttpRequestHeaders request_headers_;
+
   scoped_ptr<net::URLRequest> request_;
 
   scoped_refptr<net::IOBuffer> buffer_;
@@ -89,6 +92,11 @@ void UrlFetcher::Core::SetUploadData(const std::string& upload_content_type,
   upload_content_ = upload_content;
 }
 
+void UrlFetcher::Core::SetHeader(const std::string& key,
+                                 const std::string& value) {
+  request_headers_.SetHeader(key, value);
+}
+
 void UrlFetcher::Core::Start(const UrlFetcher::DoneCallback& done_callback) {
   done_callback_ = done_callback;
   io_message_loop_ = request_context_getter_->GetIOMessageLoopProxy();
@@ -146,16 +154,16 @@ void UrlFetcher::Core::DoStart() {
       DCHECK(!upload_content_type_.empty());
       request_->set_method("POST");
 
-      net::HttpRequestHeaders headers;
-      headers.SetHeader(net::HttpRequestHeaders::kContentType,
-                        upload_content_type_);
-      request_->SetExtraRequestHeaders(headers);
+      request_headers_.SetHeader(net::HttpRequestHeaders::kContentType,
+                                 upload_content_type_);
 
       request_->AppendBytesToUpload(
           upload_content_.data(), static_cast<int>(upload_content_.length()));
       break;
   }
 
+  request_->SetExtraRequestHeaders(request_headers_);
+
   request_->Start();
 }
 
@@ -200,6 +208,10 @@ void UrlFetcher::SetUploadData(const std::string& upload_content_type,
   core_->SetUploadData(upload_content_type, upload_content);
 }
 
+void UrlFetcher::SetHeader(const std::string& key, const std::string& value) {
+  core_->SetHeader(key, value);
+}
+
 void UrlFetcher::Start(const DoneCallback& done_callback) {
   core_->Start(done_callback);
 }