Move MimeTypeResourceHandler before ThrottlingResourceHandler

content/browser/loader/resource_handler.cc

Index: content/browser/loader/resource_handler.cc
diff --git a/content/browser/loader/resource_handler.cc b/content/browser/loader/resource_handler.cc
index 358dd65a90a4fad49350439fb8ff3bf0cfa24c13..60ea01822bc7171ab60c63c3ad934747577bab58 100644
--- a/content/browser/loader/resource_handler.cc
+++ b/content/browser/loader/resource_handler.cc
@@ -17,6 +17,16 @@ void ResourceHandler::SetController(ResourceController* controller) {
   controller_ = controller;
 }
 
+bool ResourceHandler::IsLeafHandler() const {
+  return true;
+}
+
+void ResourceHandler::InstallNewLeafHandler(
+    std::unique_ptr<ResourceHandler> new_handler,
+    const std::string& payload_for_old_handler) {
+  NOTREACHED();
+}
+
 ResourceRequestInfoImpl* ResourceHandler::GetRequestInfo() const {
   return ResourceRequestInfoImpl::ForRequest(request_);
 }