<webview>: Implement support for package-local chrome-extension:// URLs

chrome/browser/extensions/extension_protocols.cc

Index: chrome/browser/extensions/extension_protocols.cc
diff --git a/chrome/browser/extensions/extension_protocols.cc b/chrome/browser/extensions/extension_protocols.cc
index 25ef06bdc056216995db854943831e6a3db565fc..5c444982d929cb625367234a43bfa3ad4968b6f1 100644
--- a/chrome/browser/extensions/extension_protocols.cc
+++ b/chrome/browser/extensions/extension_protocols.cc
@@ -23,6 +23,7 @@
 #include "base/threading/thread_restrictions.h"
 #include "build/build_config.h"
 #include "chrome/browser/extensions/extension_info_map.h"
+#include "chrome/browser/extensions/extension_renderer_state.h"
 #include "chrome/browser/extensions/image_loader.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/background_info.h"
@@ -34,6 +35,7 @@
 #include "chrome/common/extensions/manifest_handlers/shared_module_info.h"
 #include "chrome/common/extensions/manifest_url_handler.h"
 #include "chrome/common/extensions/web_accessible_resources_handler.h"
+#include "chrome/common/extensions/webview_accessible_resources_handler.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/resource_request_info.h"
@@ -338,6 +340,19 @@ bool AllowExtensionResourceLoad(net::URLRequest* request,
     return true;
   }
 
+  ExtensionRendererState* renderer_state =
+      ExtensionRendererState::GetInstance();
+  ExtensionRendererState::WebViewInfo webview_info;
+  bool is_guest = renderer_state->GetWebViewInfo(info->GetChildID(),
+                                                 info->GetRouteID(),
+                                                 &webview_info);
+  std::string resource_path = request->url().path();
+  if (is_guest &&
+      extensions::WebviewAccessibleResourcesInfo::IsResourceWebviewAccessible(
+            extension, webview_info.partition_id, resource_path)) {
+    return true;
+  }
+
   if (is_incognito && !ExtensionCanLoadInIncognito(info, request->url().host(),
                                                    extension_info_map)) {
     return false;