Remove navigation from TestRenderViewHost

content/test/test_render_frame_host.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/test/test_render_frame_host.h"
 
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/render_frame_host_delegate.h"
 #include "content/common/frame_messages.h"
 #include "content/test/test_render_view_host.h"
@@ skipping 24 matching lines @@
                                          bool is_swapped_out)
     : RenderFrameHostImpl(render_view_host,
                           delegate,
                           frame_tree,
                           frame_tree_node,
                           routing_id,
                           is_swapped_out),
       child_creation_observer_(delegate ? delegate->GetAsWebContents() : NULL),
       contents_mime_type_("text/html"),
       simulate_history_list_was_cleared_(false) {
-  // Allow TestRenderViewHosts to easily access their main frame RFH.
-  if (frame_tree_node == frame_tree->root()) {
-    static_cast<TestRenderViewHost*>(render_view_host)->
-        set_main_render_frame_host(this);
-  }
 }
 
 TestRenderFrameHost::~TestRenderFrameHost() {}
 
 TestRenderViewHost* TestRenderFrameHost::GetRenderViewHost() {
   return static_cast<TestRenderViewHost*>(
       RenderFrameHostImpl::GetRenderViewHost());
 }
 
 TestRenderFrameHost* TestRenderFrameHost::AppendChild(
     const std::string& frame_name) {
   OnCreateChildFrame(GetProcess()->GetNextRoutingID(), frame_name);
   return static_cast<TestRenderFrameHost*>(
       child_creation_observer_.last_created_frame());
 }
 
 void TestRenderFrameHost::SendNavigateWithTransition(
     int page_id,
     const GURL& url,
     ui::PageTransition transition) {
   SendNavigateWithTransitionAndResponseCode(page_id, url, transition, 200);
 }
 
+void TestRenderFrameHost::SetContentsMimeType(const std::string& mime_type) {
+  contents_mime_type_ = mime_type;
+}
+
 void TestRenderFrameHost::SendBeforeUnloadACK(bool proceed) {
   base::TimeTicks now = base::TimeTicks::Now();
   OnBeforeUnloadACK(proceed, now, now);
 }
 
 void TestRenderFrameHost::SimulateSwapOutACK() {
   OnSwappedOut();
 }
 
 void TestRenderFrameHost::SendNavigate(int page_id, const GURL& url) {
@@ skipping 102 matching lines @@
   common_params.referrer = Referrer(GURL(), blink::WebReferrerPolicyDefault);
   common_params.transition = ui::PAGE_TRANSITION_LINK;
   OnBeginNavigation(begin_params, common_params);
 }
 
 void TestRenderFrameHost::DidDisownOpener() {
   OnDidDisownOpener();
 }
 
 }  // namespace content