Make <webview> use out-of-process iframe architecture.

extensions/browser/guest_view/web_view/web_view_guest.cc

Index: extensions/browser/guest_view/web_view/web_view_guest.cc
diff --git a/extensions/browser/guest_view/web_view/web_view_guest.cc b/extensions/browser/guest_view/web_view/web_view_guest.cc
index 9ed24fff867795a48af4dcc90fc3a834cd0bffb1..7a0c6db532dfeaa5283d89eff220d35827d04e6d 100644
--- a/extensions/browser/guest_view/web_view/web_view_guest.cc
+++ b/extensions/browser/guest_view/web_view/web_view_guest.cc
@@ -322,12 +322,13 @@ void WebViewGuest::DidInitialize(const base::DictionaryValue& create_params) {
       owner_web_contents()->GetRenderProcessHost()->GetID(),
       view_instance_id());
 
-  // We must install the mapping from guests to WebViews prior to resuming
-  // suspended resource loads so that the WebRequest API will catch resource
-  // requests.
-  PushWebViewStateToIOThread();
+  // NOTE: Calling this prior to attachment breaks OOPIF <webview>.
+  //// We must install the mapping from guests to WebViews prior to resuming
+  //// suspended resource loads so that the WebRequest API will catch resource
+  //// requests.
+  //PushWebViewStateToIOThread();
 
-  ApplyAttributes(create_params);
+  //ApplyAttributes(create_params);
 }
 
 void WebViewGuest::AttachWebViewHelpers(WebContents* contents) {
@@ -800,7 +801,7 @@ void WebViewGuest::FrameNameChanged(RenderFrameHost* render_frame_host,
   if (name_ == name)
     return;
 
-  ReportFrameNameChange(name);
+  //ReportFrameNameChange(name);
 }
 
 void WebViewGuest::ReportFrameNameChange(const std::string& name) {
@@ -914,7 +915,7 @@ void WebViewGuest::WillAttachToEmbedder() {
   // We must install the mapping from guests to WebViews prior to resuming
   // suspended resource loads so that the WebRequest API will catch resource
   // requests.
-  PushWebViewStateToIOThread();
+  //PushWebViewStateToIOThread();
 }
 
 content::JavaScriptDialogManager* WebViewGuest::GetJavaScriptDialogManager(
@@ -987,8 +988,8 @@ void WebViewGuest::ApplyAttributes(const base::DictionaryValue& params) {
     if (name_.empty())
       SetName(name);
   }
-  if (attached())
-    ReportFrameNameChange(name_);
+  //if (attached())
+  //  ReportFrameNameChange(name_);
 
   std::string user_agent_override;
   params.GetString(webview::kParameterUserAgentOverride, &user_agent_override);
@@ -1167,6 +1168,22 @@ content::WebContents* WebViewGuest::OpenURLFromTab(
   // state that assumes an embedder exists, such as RenderWidgetHostViewGuest.
   // Navigation also resumes resource loading which we don't want to allow
   // until attachment.
+  // site-per-process
+  printf("source: [%p], web_contents(): [%p]\n", source, web_contents());
+  printf("web_contents(): [%p]\n", web_contents());
+  //CHECK(0);
+  content::NavigationController::LoadURLParams load_url_params(
+      params.url);
+  load_url_params.referrer = params.referrer;
+  load_url_params.transition_type = params.transition;
+  load_url_params.extra_headers = std::string();
+  //load_url_params.frame_tree_node_id = params.frame_tree_node_id;
+  load_url_params.transferred_global_request_id =
+      params.transferred_global_request_id;
+  source->GetController().LoadURLWithParams(load_url_params);
+  return source;
+
+  // Note: IGNORED.
   if (!attached()) {
     WebViewGuest* opener = GetOpener();
     auto it = opener->pending_new_windows_.find(this);