Improve process crash handling in RenderViewHost & mock RenderProcessHost.

content/browser/web_contents/web_contents_impl_unittest.cc

 // Copyright (c) 2012 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 "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/frame_host/cross_site_transferring_request.h"
 #include "content/browser/frame_host/interstitial_page_impl.h"
 #include "content/browser/frame_host/navigation_entry_impl.h"
@@ skipping 1427 matching lines @@
   }
 
   contents()->SetDelegate(nullptr);
 }
 
 TEST_F(WebContentsImplTest, TerminateHidesValidationMessage) {
   FakeValidationMessageDelegate fake_delegate;
   contents()->SetDelegate(&fake_delegate);
   EXPECT_FALSE(fake_delegate.hide_validation_message_was_called());
 
-  // Crash the renderer.
+  // Initialize the RenderFrame and then simulate crashing the renderer
+  // process.
+  contents()->GetMainFrame()->InitializeRenderFrameIfNeeded();
   contents()->GetMainFrame()->GetProcess()->SimulateCrash();
 
   // Confirm HideValidationMessage was called.
   EXPECT_TRUE(fake_delegate.hide_validation_message_was_called());
 
   contents()->SetDelegate(nullptr);
 }
 
 // Tests that fullscreen is exited throughout the object hierarchy on a renderer
 // crash.
@@ skipping 1699 matching lines @@
   // Additional changes made by the web contents should propagate as well.
   RenderViewHostTester::TestOnMessageReceived(
       test_rvh(),
       FrameHostMsg_DidChangeThemeColor(rfh->GetRoutingID(), SK_ColorGREEN));
 
   EXPECT_EQ(SK_ColorGREEN, contents()->GetThemeColor());
   EXPECT_EQ(SK_ColorGREEN, observer.last_theme_color());
 }
 
 }  // namespace content