PlzNavigate: Fix for the PhishingDOMFeatureExtractorTest.SubFrames and SubframeRemoval tests

chrome/test/base/chrome_render_view_test.h

Index: chrome/test/base/chrome_render_view_test.h
diff --git a/chrome/test/base/chrome_render_view_test.h b/chrome/test/base/chrome_render_view_test.h
index 342ed130bae1d34178793a1c1131b5f27a89e5b8..6ee89e1bcb94f54281c86d487c4960cefcba22e8 100644
--- a/chrome/test/base/chrome_render_view_test.h
+++ b/chrome/test/base/chrome_render_view_test.h
@@ -47,6 +47,12 @@ class ChromeRenderViewTest : public content::RenderViewTest {
   void DisableUserGestureSimulationForAutofill();
   void WaitForAutofillDidAssociateFormControl();
 
+  // Tests which need to handle IPC's sent to the browser should override
+  // this method and return a subclass of ChromeMockRenderThread.
+  // The ChromeMockRenderThread pointer is owned by the ChromeRenderViewTest
+  // class.
+  virtual ChromeMockRenderThread* CreateMockRenderThread();
+
 #if defined(ENABLE_EXTENSIONS)
   std::unique_ptr<extensions::DispatcherDelegate>
       extension_dispatcher_delegate_;