Bring RFH/RVH unit tests closer to reality of how RF/RV are initialized

content/browser/frame_host/frame_tree_unittest.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/browser/frame_host/frame_tree.h"
 
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "content/browser/frame_host/navigator_impl.h"
 #include "content/browser/frame_host/render_frame_host_factory.h"
@@ skipping 291 matching lines @@
   EXPECT_EQ(child0, child1->PreviousSibling());
   EXPECT_EQ(child1, child2->PreviousSibling());
   EXPECT_EQ(nullptr, grandchild->PreviousSibling());
 }
 
 // Do some simple manipulations of the frame tree, making sure that
 // WebContentsObservers see a consistent view of the tree as we go.
 TEST_F(FrameTreeTest, ObserverWalksTreeDuringFrameCreation) {
   TreeWalkingWebContentsLogger activity(contents());
   contents()->NavigateAndCommit(GURL("http://www.google.com"));
-  EXPECT_EQ("", activity.GetLog());
+  EXPECT_EQ("RenderFrameCreated(1) -> 1: []", activity.GetLog());
 
   FrameTree* frame_tree = contents()->GetFrameTree();
   FrameTreeNode* root = frame_tree->root();
 
   // Simulate attaching a series of frames to build the frame tree.
   main_test_rfh()->OnCreateChildFrame(14, blink::WebTreeScopeType::Document,
                                       std::string(),
                                       blink::WebSandboxFlags::None);
   EXPECT_EQ(
       "RenderFrameHostChanged(new)(14) -> 1: []\n"
@@ skipping 10 matching lines @@
   EXPECT_EQ("RenderFrameDeleted(14) -> 1: [18: []]", activity.GetLog());
   frame_tree->RemoveFrame(root->child_at(0));
   EXPECT_EQ("RenderFrameDeleted(18) -> 1: []", activity.GetLog());
 }
 
 // Make sure that WebContentsObservers see a consistent view of the tree after
 // recovery from a render process crash.
 TEST_F(FrameTreeTest, ObserverWalksTreeAfterCrash) {
   TreeWalkingWebContentsLogger activity(contents());
   contents()->NavigateAndCommit(GURL("http://www.google.com"));
-  EXPECT_EQ("", activity.GetLog());
+  EXPECT_EQ("RenderFrameCreated(1) -> 1: []", activity.GetLog());
 
   main_test_rfh()->OnCreateChildFrame(22, blink::WebTreeScopeType::Document,
                                       std::string(),
                                       blink::WebSandboxFlags::None);
   EXPECT_EQ(
       "RenderFrameHostChanged(new)(22) -> 1: []\n"
       "RenderFrameCreated(22) -> 1: [22: []]",
       activity.GetLog());
   main_test_rfh()->OnCreateChildFrame(23, blink::WebTreeScopeType::Document,
                                       std::string(),
                                       blink::WebSandboxFlags::None);
   EXPECT_EQ(
       "RenderFrameHostChanged(new)(23) -> 1: [22: []]\n"
       "RenderFrameCreated(23) -> 1: [22: [], 23: []]",
       activity.GetLog());
 
   // Crash the renderer
   main_test_rfh()->GetProcess()->SimulateCrash();
   EXPECT_EQ(
       "RenderFrameDeleted(23) -> 1: [22: [], 23*: []]\n"
       "RenderFrameDeleted(22) -> 1: [22*: [], 23*: []]\n"
-      "RenderFrameDeleted(1) -> 1: []\n"  // TODO(nick): Should be "1*:"
+      "RenderFrameDeleted(1) -> 1*: []\n"
       "RenderProcessGone -> 1*: []",
       activity.GetLog());
 }
 
 // Ensure that frames are not added to the tree, if the process passed in
 // is different than the process of the parent node.
 TEST_F(FrameTreeTest, FailAddFrameWithWrongProcessId) {
   contents()->NavigateAndCommit(GURL("http://www.google.com"));
   FrameTree* frame_tree = contents()->GetFrameTree();
   FrameTreeNode* root = frame_tree->root();
@@ skipping 37 matching lines @@
   // Crash the renderer.
   main_test_rfh()->GetProcess()->SimulateCrash();
 
   // Ensure they cannot be found by id after the process has crashed.
   EXPECT_FALSE(FrameTreeNode::GloballyFindByID(id1));
   EXPECT_FALSE(FrameTreeNode::GloballyFindByID(id2));
   EXPECT_FALSE(FrameTreeNode::GloballyFindByID(id3));
 }
 
 }  // namespace content