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

content/browser/web_contents/web_contents_impl_unittest.cc

Index: content/browser/web_contents/web_contents_impl_unittest.cc
diff --git a/content/browser/web_contents/web_contents_impl_unittest.cc b/content/browser/web_contents/web_contents_impl_unittest.cc
index b4747a550ffa31f9a95fed60032f2915d8c9c97c..fdcbdec9cb7c559556e251298cf8e11d5143b9f5 100644
--- a/content/browser/web_contents/web_contents_impl_unittest.cc
+++ b/content/browser/web_contents/web_contents_impl_unittest.cc
@@ -1689,6 +1689,7 @@ TEST_F(WebContentsImplTest,
   // Simulate the navigation to the page, that's when the interstitial gets
   // hidden.
   GURL url3("http://www.thepage.com");
+  contents()->GetMainFrame()->PrepareForCommit();
   contents()->GetMainFrame()->SendNavigate(2, 0, true, url3);
 
   EXPECT_FALSE(contents()->ShowingInterstitialPage());
@@ -3023,6 +3024,9 @@ TEST_F(WebContentsImplTest, MediaPowerSaveBlocking) {
   TestRenderFrameHost* rfh = contents()->GetMainFrame();
   AudioStateProvider* audio_state = contents()->audio_state_provider();
 
+  // Ensure RenderFrame is initialized before simulating events coming from it.
+  main_test_rfh()->InitializeRenderFrameIfNeeded();
+
   // The audio power save blocker should not be based on having a media player
   // when audio stream monitoring is available.
   if (audio_state->IsAudioStateAvailable()) {