Enable SPDY explicitly.

android_webview/browser/net/aw_url_request_context_getter.cc

 // 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.
 
 #include "android_webview/browser/net/aw_url_request_context_getter.h"
 
 #include <vector>
 
 #include "android_webview/browser/aw_content_browser_client.h"
 #include "android_webview/browser/aw_request_interceptor.h"
 #include "android_webview/browser/net/aw_network_delegate.h"
 #include "android_webview/browser/net/aw_url_request_job_factory.h"
 #include "android_webview/browser/net/init_native_callback.h"
 #include "android_webview/common/aw_switches.h"
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/cookie_store_factory.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "net/base/cache_type.h"
 #include "net/cookies/cookie_store.h"
 #include "net/dns/mapped_host_resolver.h"
 #include "net/http/http_cache.h"
+#include "net/http/http_stream_factory.h"
 #include "net/proxy/proxy_service.h"
 #include "net/url_request/data_protocol_handler.h"
 #include "net/url_request/file_protocol_handler.h"
 #include "net/url_request/protocol_intercept_job_factory.h"
 #include "net/url_request/url_request_context_builder.h"
 #include "net/url_request/url_request_context.h"
 
 using content::BrowserThread;
 
 namespace android_webview {
@@ skipping 151 matching lines @@
   // TODO(mnaganov): Fix URLRequestContextBuilder to use proper threads.
   net::HttpNetworkSession::Params network_session_params;
 
   net::BackendType cache_type = net::CACHE_BACKEND_SIMPLE;
   if (CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kDisableSimpleCache)) {
     cache_type = net::CACHE_BACKEND_BLOCKFILE;
   }
   PopulateNetworkSessionParams(url_request_context_.get(),
                                &network_session_params);
+
   net::HttpCache* main_cache = new net::HttpCache(
       network_session_params,
       new net::HttpCache::DefaultBackend(
           net::DISK_CACHE,
           cache_type,
           partition_path_.Append(FILE_PATH_LITERAL("Cache")),
           20 * 1024 * 1024,  // 20M
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE)));
   main_http_factory_.reset(main_cache);
   url_request_context_->set_http_transaction_factory(main_cache);
   url_request_context_->set_cookie_store(cookie_store_);
 
   job_factory_ = CreateJobFactory(&protocol_handlers_);
   url_request_context_->set_job_factory(job_factory_.get());
+
+  // TODO(sgurun) remove once crbug.com/329681 is fixed. Should be
+  // called only once.
+  net::HttpStreamFactory::EnableNpnSpdy31();
 }
 
 net::URLRequestContext* AwURLRequestContextGetter::GetURLRequestContext() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (!url_request_context_)
     InitializeURLRequestContext();
 
   return url_request_context_.get();
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 AwURLRequestContextGetter::GetNetworkTaskRunner() const {
   return BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
 }
 
 void AwURLRequestContextGetter::SetProtocolHandlers(
     content::ProtocolHandlerMap* protocol_handlers) {
   std::swap(protocol_handlers_, *protocol_handlers);
 }
 
 }  // namespace android_webview