Mixed Content: Treat some Chrome schemes as restricting mixed 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..8e8bbc27d98e1455dc454046b4ceda2299e39f79 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -1150,10 +1150,14 @@ void RenderThreadImpl::RegisterSchemes() {
       chrome_scheme);
   WebSecurityPolicy::registerURLSchemeAsSecure(chrome_scheme);
   WebSecurityPolicy::registerURLSchemeAsCORSEnabled(chrome_scheme);
+  WebSecurityPolicy::registerURLSchemeAsRestrictingMixedContent(chrome_scheme);
 
   // chrome-devtools:
   WebString devtools_scheme(base::ASCIIToUTF16(kChromeDevToolsScheme));
   WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(devtools_scheme);
+  WebSecurityPolicy::registerURLSchemeAsSecure(devtools_scheme);
+  WebSecurityPolicy::registerURLSchemeAsRestrictingMixedContent(
+      devtools_scheme);
 }
 
 void RenderThreadImpl::NotifyTimezoneChange() {