Navigation transitions: Place transition page in same process as destination page.

content/common/url_schemes.cc

Index: content/common/url_schemes.cc
diff --git a/content/common/url_schemes.cc b/content/common/url_schemes.cc
index c65bb14562de2f2c0f182c6882bc9d9d808e4205..7ec07b1f801ca37a66bd461328a813ddc687c648 100644
--- a/content/common/url_schemes.cc
+++ b/content/common/url_schemes.cc
@@ -37,6 +37,7 @@ void RegisterContentSchemes(bool lock_standard_schemes) {
   url::AddStandardScheme(kChromeUIScheme);
   url::AddStandardScheme(kGuestScheme);
   url::AddStandardScheme(kMetadataScheme);
+  url::AddStandardScheme(kNavigationTransitionScheme);
   std::for_each(additional_standard_schemes.begin(),
                 additional_standard_schemes.end(),
                 AddStandardSchemeHelper);