DO NOT SUBMIT: Testing frame crash+renavigate that results in painting trouble.

content/browser/site_per_process_browsertest.cc

Index: content/browser/site_per_process_browsertest.cc
diff --git a/content/browser/site_per_process_browsertest.cc b/content/browser/site_per_process_browsertest.cc
index fdf7ab570a71aca6ab23acee05238327fdda4a6a..237f5378f29eb5b7d4a6442377bf38e32a876c1c 100644
--- a/content/browser/site_per_process_browsertest.cc
+++ b/content/browser/site_per_process_browsertest.cc
@@ -8712,12 +8712,30 @@ IN_PROC_BROWSER_TEST_F(SitePerProcessBrowserTest,
 
   // Crash the subframe process.
   RenderProcessHost* child_process = child->current_frame_host()->GetProcess();
+  LOG(ERROR) << "; child_process->GetHandle() = " << child_process->GetHandle();
+
+  {
+    LOG(ERROR) << "Sleeping 10 seconds";
+    scoped_refptr<MessageLoopRunner> runner(new MessageLoopRunner());
+    base::SequencedTaskRunnerHandle::Get()->PostDelayedTask(
+        FROM_HERE, runner->QuitClosure(), base::TimeDelta::FromSeconds(10));
+    runner->Run();
+  }
+
   RenderProcessHostWatcher crash_observer(
       child_process, RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
   child_process->Shutdown(0, false);
   crash_observer.Wait();
   EXPECT_FALSE(child->current_frame_host()->IsRenderFrameLive());
 
+  {
+    LOG(ERROR) << "Sleeping 10 seconds";
+    scoped_refptr<MessageLoopRunner> runner(new MessageLoopRunner());
+    base::SequencedTaskRunnerHandle::Get()->PostDelayedTask(
+        FROM_HERE, runner->QuitClosure(), base::TimeDelta::FromSeconds(10));
+    runner->Run();
+  }
+
   // When the subframe dies, its RenderWidgetHostView should be cleared and
   // reset in the CrossProcessFrameConnector.
   EXPECT_FALSE(child->current_frame_host()->GetView());
@@ -8729,8 +8747,12 @@ IN_PROC_BROWSER_TEST_F(SitePerProcessBrowserTest,
   // Navigate the subframe to the same site it was on before crashing.  This
   // should reuse the subframe's current RenderFrameHost and reinitialize the
   // RenderFrame in a new process.
-  NavigateFrameToURL(child,
-                     embedded_test_server()->GetURL("b.com", "/title1.html"));
+  TestFrameNavigationObserver child_navigation_observer(child);
+  EXPECT_TRUE(
+      ExecuteScript(root->current_frame_host(),
+                    "var f = document.getElementsByTagName('iframe')[0];\n"
+                    "f.src = f.src\n"));
+  child_navigation_observer.Wait();
   EXPECT_TRUE(child->current_frame_host()->IsRenderFrameLive());
 
   // The RenderWidgetHostView for the child should be recreated and set to be
@@ -8748,6 +8770,9 @@ IN_PROC_BROWSER_TEST_F(SitePerProcessBrowserTest,
   EXPECT_TRUE(ExecuteScript(child->current_frame_host(),
                             "parent.postMessage('I am alive!', '*');"));
   EXPECT_EQ(expected_title, title_watcher.WaitAndGetTitle());
+
+  LOG(ERROR) << "Starting message loop for interactive UI...";
+  (new content::MessageLoopRunner)->Run();
 }
 
 // Test that session history length and offset are replicated to all renderer