[DRAFT] Create RenderFrameHostManager.

content/browser/renderer_host/render_view_host_unittest.cc

Index: content/browser/renderer_host/render_view_host_unittest.cc
diff --git a/content/browser/renderer_host/render_view_host_unittest.cc b/content/browser/renderer_host/render_view_host_unittest.cc
index 67e08d28389c0b176823008d8fedb43a048e44b1..6089b134485919a203d21d9c9b261e4dca613be5 100644
--- a/content/browser/renderer_host/render_view_host_unittest.cc
+++ b/content/browser/renderer_host/render_view_host_unittest.cc
@@ -288,10 +288,10 @@ TEST_F(RenderViewHostTest, NavigationWithBadHistoryItemFiles) {
 }
 
 TEST_F(RenderViewHostTest, RoutingIdSane) {
-  EXPECT_EQ(test_rvh()->GetProcess(),
-            test_rvh()->main_render_frame_host()->GetProcess());
-  EXPECT_NE(test_rvh()->GetRoutingID(),
-            test_rvh()->main_render_frame_host()->routing_id());
+  RenderFrameHostImpl* root_rfh =
+      contents()->GetFrameTree()->root()->render_frame_host();
+  EXPECT_EQ(test_rvh()->GetProcess(), root_rfh->GetProcess());
+  EXPECT_NE(test_rvh()->GetRoutingID(), root_rfh->routing_id());
 }
 
 }  // namespace content