Revert of Move WebUI ownership from the RenderFrameHostManager to the RenderFrameHost.

content/browser/frame_host/render_frame_host_manager_browsertest.cc

Index: content/browser/frame_host/render_frame_host_manager_browsertest.cc
diff --git a/content/browser/frame_host/render_frame_host_manager_browsertest.cc b/content/browser/frame_host/render_frame_host_manager_browsertest.cc
index 3a08755a23879f046842b17a5f0d339ee3037b83..ef0919dbeeb42d1640075fd4ef009f2daf612960 100644
--- a/content/browser/frame_host/render_frame_host_manager_browsertest.cc
+++ b/content/browser/frame_host/render_frame_host_manager_browsertest.cc
@@ -1545,16 +1545,14 @@
       shell()->web_contents());
   WebUIImpl* webui = web_contents->GetRenderManagerForTesting()->web_ui();
   EXPECT_TRUE(webui);
-  EXPECT_FALSE(
-      web_contents->GetRenderManagerForTesting()->GetNavigatingWebUI());
+  EXPECT_FALSE(web_contents->GetRenderManagerForTesting()->pending_web_ui());
 
   // Navigate to another WebUI URL that reuses the WebUI object.  Make sure we
-  // clear GetNavigatingWebUI() when it commits.
+  // clear pending_web_ui() when it commits.
   GURL webui_url2(webui_url.spec() + "#foo");
   NavigateToURL(shell(), webui_url2);
   EXPECT_EQ(webui, web_contents->GetRenderManagerForTesting()->web_ui());
-  EXPECT_FALSE(
-      web_contents->GetRenderManagerForTesting()->GetNavigatingWebUI());
+  EXPECT_FALSE(web_contents->GetRenderManagerForTesting()->pending_web_ui());
 }
 
 class RFHMProcessPerTabTest : public RenderFrameHostManagerTest {