Add schema chrome-extension-resource:// for extension resources

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index 5f902a2065b2d5cdf99e1b3b61b50ee9b0a920a8..6446bd85b3cc6e7d236f0084b72ab3360027a6c8 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -214,6 +214,14 @@ void ChromeContentRendererClient::RenderThreadStarted() {
 
   // chrome-extension: resources should be allowed to receive CORS requests.
   WebSecurityPolicy::registerURLSchemeAsCORSEnabled(extension_scheme);
+
+  WebString extension_resource_scheme(
+      ASCIIToUTF16(chrome::kExtensionResourceScheme));
+  WebSecurityPolicy::registerURLSchemeAsSecure(extension_resource_scheme);
+
+  // chrome-extension-resource: resources should be allowed to receive CORS
+  // requests.
+  WebSecurityPolicy::registerURLSchemeAsCORSEnabled(extension_resource_scheme);
 }
 
 void ChromeContentRendererClient::RenderViewCreated(
@@ -703,11 +711,9 @@ bool ChromeContentRendererClient::ShouldFork(WebFrame* frame,
 bool ChromeContentRendererClient::WillSendRequest(WebKit::WebFrame* frame,
                                                   const GURL& url,
                                                   GURL* new_url) {
-  // If the request is for an extension resource, check whether it should be
-  // allowed. If not allowed, we reset the URL to something invalid to prevent
-  // the request and cause an error.
-  if (url.SchemeIs(chrome::kExtensionScheme) &&
-      !ExtensionResourceRequestPolicy::CanRequestResource(

[abarth-chromium, 2012/04/13 17:11:24]

This check is also important for security.  Can you add some testing to make
sure it works the way we expect?

[Peng, 2012/04/17 13:52:05]

I think it need add browser some tests for it. Working on it.

+  // Check whether the request should be allowed. If not allowed, we reset the
+  // URL to something invalid to prevent the request and cause an error.
+  if (!ExtensionResourceRequestPolicy::CanRequestResource(
           url,
           frame,
           extension_dispatcher_->extensions())) {