Fix for WebView accessible resources.

extensions/browser/renderer_startup_helper.cc

 // Copyright 2014 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/renderer_startup_helper.h"
 
 #include "base/values.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
 #include "extensions/browser/extension_function_dispatcher.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extensions_browser_client.h"
+#include "extensions/browser/guest_view/web_view/web_view_guest.h"
 #include "extensions/common/extension_messages.h"
 #include "extensions/common/extension_set.h"
 #include "extensions/common/extensions_client.h"
 #include "ui/base/webui/web_ui_util.h"
 
 using content::BrowserContext;
 
 namespace extensions {
 
 RendererStartupHelper::RendererStartupHelper(BrowserContext* browser_context)
@@ skipping 19 matching lines @@
   // Platform apps need to know the system font.
   // TODO(dbeam): this is not the system font in all cases.
   process->Send(new ExtensionMsg_SetSystemFont(webui::GetFontFamily(),
                                                webui::GetFontSize()));
 
   // Scripting whitelist. This is modified by tests and must be communicated
   // to renderers.
   process->Send(new ExtensionMsg_SetScriptingWhitelist(
       extensions::ExtensionsClient::Get()->GetScriptingWhitelist()));
 
+  // If the new render process is a WebView guest process, propagate the WebView
+  // partition ID to it.
+  std::string webview_partition_id = WebViewGuest::GetPartitionID(process);
+  if (!webview_partition_id.empty()) {
+    process->Send(new ExtensionMsg_SetWebViewPartitionID(
+        WebViewGuest::GetPartitionID(process)));
+  }
+
   // Loaded extensions.
   std::vector<ExtensionMsg_Loaded_Params> loaded_extensions;
   const ExtensionSet& extensions =
       ExtensionRegistry::Get(browser_context_)->enabled_extensions();
   for (const auto& ext : extensions) {
     // Renderers don't need to know about themes.
     if (!ext->is_theme()) {
       // TODO(kalman): Only include tab specific permissions for extension
       // processes, no other process needs it, so it's mildly wasteful.
       // I am not sure this is possible to know this here, at such a low
@@ skipping 38 matching lines @@
     BrowserContext* context) const {
   // Redirected in incognito.
   return ExtensionsBrowserClient::Get()->GetOriginalContext(context);
 }
 
 bool RendererStartupHelperFactory::ServiceIsCreatedWithBrowserContext() const {
   return true;
 }
 
 }  // namespace extensions