Revert of Move content:: scheme registrations from chrome/ to content/.

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index aeb83458d97dcf2de0a7cf798915d19fd68eb1c8..5ade8f03cf2a9939a9506b437f6bfc452e522b77 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -1138,22 +1138,11 @@
 }
 
 void RenderThreadImpl::RegisterSchemes() {
-  // swappedout:
+  // swappedout: pages should not be accessible, and should also
+  // be treated as empty documents that can commit synchronously.
   WebString swappedout_scheme(base::ASCIIToUTF16(kSwappedOutScheme));
   WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(swappedout_scheme);
   WebSecurityPolicy::registerURLSchemeAsEmptyDocument(swappedout_scheme);
-
-  // chrome:
-  WebString chrome_scheme(base::ASCIIToUTF16(kChromeUIScheme));
-  WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(chrome_scheme);
-  WebSecurityPolicy::registerURLSchemeAsNotAllowingJavascriptURLs(
-      chrome_scheme);
-  WebSecurityPolicy::registerURLSchemeAsSecure(chrome_scheme);
-  WebSecurityPolicy::registerURLSchemeAsCORSEnabled(chrome_scheme);
-
-  // chrome-devtools:
-  WebString devtools_scheme(base::ASCIIToUTF16(kChromeDevToolsScheme));
-  WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(devtools_scheme);
 }
 
 void RenderThreadImpl::NotifyTimezoneChange() {