Move TransferNavigationResourceThrottle to content since that's where it belongs. This is a step in…

content/shell/shell_content_browser_client.cc

Index: content/shell/shell_content_browser_client.cc
===================================================================
--- content/shell/shell_content_browser_client.cc	(revision 138143)
+++ content/shell/shell_content_browser_client.cc	(working copy)
@@ -93,6 +93,12 @@
   return false;
 }
 
+bool ShellContentBrowserClient::ShouldSwapProcessesForRedirect(
+    ResourceContext* resource_context, const GURL& current_url,
+    const GURL& new_url) {
+  return false;
+}
+
 std::string ShellContentBrowserClient::GetCanonicalEncodingNameByAliasName(
     const std::string& alias_name) {
   return std::string();