Use mojo for Chrome Loading, Part 1

content/child/web_url_loader_impl.cc

Index: content/child/web_url_loader_impl.cc
diff --git a/content/child/web_url_loader_impl.cc b/content/child/web_url_loader_impl.cc
index cd0104333542bb72b0e91ff585fa65486a0d2de7..b3e3b1818980fcfc165078e9c4e6a9ea9f82bd17 100644
--- a/content/child/web_url_loader_impl.cc
+++ b/content/child/web_url_loader_impl.cc
@@ -36,6 +36,7 @@
 #include "content/common/resource_request_body_impl.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "content/common/ssl_status_serialization.h"
+#include "content/common/url_loader.mojom.h"
 #include "content/public/child/fixed_received_data.h"
 #include "content/public/child/request_peer.h"
 #include "content/public/common/browser_side_navigation_policy.h"
@@ -307,7 +308,8 @@ class WebURLLoaderImpl::Context : public base::RefCounted<Context> {
 
   Context(WebURLLoaderImpl* loader,
           ResourceDispatcher* resource_dispatcher,
-          std::unique_ptr<blink::WebTaskRunner> task_runner);
+          std::unique_ptr<blink::WebTaskRunner> task_runner,
+          mojom::URLLoaderFactory* factory);
 
   WebURLLoaderClient* client() const { return client_; }
   void set_client(WebURLLoaderClient* client) { client_ = client; }
@@ -369,6 +371,8 @@ class WebURLLoaderImpl::Context : public base::RefCounted<Context> {
   enum DeferState {NOT_DEFERRING, SHOULD_DEFER, DEFERRED_DATA};
   DeferState defers_loading_;
   int request_id_;
+
+  mojom::URLLoaderFactory* url_loader_factory_;
 };
 
 // A thin wrapper class for Context to ensure its lifetime while it is
@@ -403,14 +407,16 @@ class WebURLLoaderImpl::RequestPeerImpl : public RequestPeer {
 WebURLLoaderImpl::Context::Context(
     WebURLLoaderImpl* loader,
     ResourceDispatcher* resource_dispatcher,
-    std::unique_ptr<blink::WebTaskRunner> web_task_runner)
+    std::unique_ptr<blink::WebTaskRunner> web_task_runner,
+    mojom::URLLoaderFactory* url_loader_factory)
     : loader_(loader),
       client_(NULL),
       resource_dispatcher_(resource_dispatcher),
       web_task_runner_(std::move(web_task_runner)),
       referrer_policy_(blink::WebReferrerPolicyDefault),
       defers_loading_(NOT_DEFERRING),
-      request_id_(-1) {}
+      request_id_(-1),
+      url_loader_factory_(url_loader_factory) {}
 
 void WebURLLoaderImpl::Context::Cancel() {
   TRACE_EVENT_WITH_FLOW0("loading", "WebURLLoaderImpl::Context::Cancel", this,
@@ -569,7 +575,8 @@ void WebURLLoaderImpl::Context::Start(const WebURLRequest& request,
   if (sync_load_response) {
     DCHECK(defers_loading_ == NOT_DEFERRING);
     resource_dispatcher_->StartSync(
-        request_info, request_body.get(), sync_load_response);
+        request_info, request_body.get(), sync_load_response,
+        request.getLoadingIPCType(), url_loader_factory_);
     return;
   }
 
@@ -577,7 +584,8 @@ void WebURLLoaderImpl::Context::Start(const WebURLRequest& request,
                          TRACE_EVENT_FLAG_FLOW_OUT);
   request_id_ = resource_dispatcher_->StartAsync(
       request_info, request_body.get(),
-      base::WrapUnique(new WebURLLoaderImpl::RequestPeerImpl(this)));
+      base::WrapUnique(new WebURLLoaderImpl::RequestPeerImpl(this)),
+      request.getLoadingIPCType(), url_loader_factory_);
 
   if (defers_loading_ != NOT_DEFERRING)
     resource_dispatcher_->SetDefersLoading(request_id_, true);
@@ -950,9 +958,12 @@ void WebURLLoaderImpl::RequestPeerImpl::OnCompletedRequest(
 
 WebURLLoaderImpl::WebURLLoaderImpl(
     ResourceDispatcher* resource_dispatcher,
-    std::unique_ptr<blink::WebTaskRunner> web_task_runner)
-    : context_(
-          new Context(this, resource_dispatcher, std::move(web_task_runner))) {}
+    std::unique_ptr<blink::WebTaskRunner> web_task_runner,
+    mojom::URLLoaderFactory* url_loader_factory)
+    : context_(new Context(this,
+                           resource_dispatcher,
+                           std::move(web_task_runner),
+                           url_loader_factory)) {}
 
 WebURLLoaderImpl::~WebURLLoaderImpl() {
   cancel();