Fix for "chrome://" links in PDFs.

extensions/browser/extension_web_contents_observer.cc

Index: extensions/browser/extension_web_contents_observer.cc
diff --git a/extensions/browser/extension_web_contents_observer.cc b/extensions/browser/extension_web_contents_observer.cc
index 187cfb22a95ead9a7d997d18aefe30ccd39cb71c..fbfb5a5c5ab1daa06ba98dffd5ddb8f44c47a05e 100644
--- a/extensions/browser/extension_web_contents_observer.cc
+++ b/extensions/browser/extension_web_contents_observer.cc
@@ -75,19 +75,7 @@ void ExtensionWebContentsObserver::RenderViewCreated(
   if (!extension)
     return;
 
-  content::RenderProcessHost* process = render_view_host->GetProcess();
-
-  // Some extensions use chrome:// URLs.
-  // This is a temporary solution. Replace it with access to chrome-static://
-  // once it is implemented. See: crbug.com/226927.
   Manifest::Type type = extension->GetType();
-  if (type == Manifest::TYPE_EXTENSION ||
-      type == Manifest::TYPE_LEGACY_PACKAGED_APP ||
-      (type == Manifest::TYPE_PLATFORM_APP &&
-       extension->location() == Manifest::COMPONENT)) {
-    content::ChildProcessSecurityPolicy::GetInstance()->GrantScheme(
-        process->GetID(), content::kChromeUIScheme);
-  }
 
   // Some extensions use file:// URLs.
   if (type == Manifest::TYPE_EXTENSION ||
@@ -95,7 +83,7 @@ void ExtensionWebContentsObserver::RenderViewCreated(
     ExtensionPrefs* prefs = ExtensionPrefs::Get(browser_context_);
     if (prefs->AllowFileAccess(extension->id())) {
       content::ChildProcessSecurityPolicy::GetInstance()->GrantScheme(
-          process->GetID(), url::kFileScheme);
+          render_view_host->GetProcess()->GetID(), url::kFileScheme);
     }
   }