Support WebSocket in WebRequest API.

extensions/browser/api/web_request/web_request_event_details.cc

 // Copyright 2016 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 "extensions/browser/api/web_request/web_request_event_details.h"
 
 #include "base/callback.h"
 #include "base/strings/string_number_conversions.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/resource_request_info.h"
+#include "content/public/browser/websocket_handshake_request_info.h"
 #include "content/public/common/child_process_host.h"
 #include "extensions/browser/api/web_request/upload_data_presenter.h"
 #include "extensions/browser/api/web_request/web_request_api_constants.h"
 #include "extensions/browser/api/web_request/web_request_api_helpers.h"
 #include "ipc/ipc_message.h"
 #include "net/base/auth.h"
 #include "net/base/upload_data_stream.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_request.h"
 
 using extension_web_request_api_helpers::ExtraInfoSpec;
 
 namespace helpers = extension_web_request_api_helpers;
 namespace keys = extension_web_request_api_constants;
 
 namespace extensions {
 
 WebRequestEventDetails::WebRequestEventDetails(const net::URLRequest* request,
                                                int extra_info_spec)
     : extra_info_spec_(extra_info_spec),
       render_process_id_(content::ChildProcessHost::kInvalidUniqueID),
       render_frame_id_(MSG_ROUTING_NONE) {
+  DCHECK(request);
+
   content::ResourceType resource_type = content::RESOURCE_TYPE_LAST_TYPE;
   const content::ResourceRequestInfo* info =
       content::ResourceRequestInfo::ForRequest(request);
   if (info) {
     render_process_id_ = info->GetChildID();
     render_frame_id_ = info->GetRenderFrameID();
     resource_type = info->GetResourceType();
   } else {
-    // Fallback for requests that are not allocated by a ResourceDispatcherHost,
-    // such as the TemplateURLFetcher.
-    content::ResourceRequestInfo::GetRenderFrameForRequest(
-        request, &render_process_id_, &render_frame_id_);
+    // TODO(pkalinnikov): Consider embedding WebSocketHandshakeRequestInfo into
+    // UrlRequestUserData.
+    if (request->url().SchemeIsWSOrWSS()) {

[Devlin, 2017/02/14 01:21:38]

Can we put this if on line 45?
if (info) {
  ...
} else if (request->url().SchemeIsWSOrWSS()) {
  ...
} else {
  // Fallback for requests...
}

[pkalinnikov, 2017/02/14 13:49:51]

Done.

+      const content::WebSocketHandshakeRequestInfo* ws_info =
+          content::WebSocketHandshakeRequestInfo::ForRequest(request);
+      if (ws_info) {
+        render_process_id_ = ws_info->GetChildId();
+        render_frame_id_ = ws_info->GetRenderFrameId();
+      }
+    } else {
+      // Fallback for requests that are not allocated by a
+      // ResourceDispatcherHost, such as the TemplateURLFetcher.
+      content::ResourceRequestInfo::GetRenderFrameForRequest(
+          request, &render_process_id_, &render_frame_id_);
+    }
   }
 
   dict_.SetString(keys::kMethodKey, request->method());
   dict_.SetString(keys::kRequestIdKey,
                   base::Uint64ToString(request->identifier()));
   dict_.SetDouble(keys::kTimeStampKey, base::Time::Now().ToDoubleT() * 1000);
   dict_.SetString(keys::kTypeKey, helpers::ResourceTypeToString(resource_type));
   dict_.SetString(keys::kUrlKey, request->url().spec());
 }
 
@@ skipping 173 matching lines @@
 
 void WebRequestEventDetails::OnDeterminedFrameData(
     std::unique_ptr<WebRequestEventDetails> self,
     const DeterminedFrameDataCallback& callback,
     const ExtensionApiFrameIdMap::FrameData& frame_data) {
   SetFrameData(frame_data);
   callback.Run(std::move(self));
 }
 
 }  // namespace extensions