Remove usages of WebContents::GetRenderViewHost().

This CL was uploaded by git cl split.

R=hanxi@chromium.org

Bug: 1142671
Change-Id: I527f1a4dda878d289ac3542336b87737bd377f8f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2500590
Auto-Submit: Lucas Gadani <lfg@chromium.org>
Reviewed-by: Xi Han <hanxi@chromium.org>
Commit-Queue: Xi Han <hanxi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#821422}

extensions/browser/guest_view/extensions_guest_view_manager_delegate.cc

@@ -73,10 +73,11 @@ void ExtensionsGuestViewManagerDelegate::DispatchEvent(
     return;  // Could happen at tab shutdown.
 
   EventRouter::DispatchEventToSender(
-      owner->GetRenderViewHost(), guest->browser_context(), guest->owner_host(),
-      histogram_value, event_name, content::ChildProcessHost::kInvalidUniqueID,
-      extensions::kMainThreadId, blink::mojom::kInvalidServiceWorkerVersionId,
-      std::move(event_args), info);
+      owner->GetMainFrame()->GetRenderViewHost(), guest->browser_context(),
+      guest->owner_host(), histogram_value, event_name,
+      content::ChildProcessHost::kInvalidUniqueID, extensions::kMainThreadId,
+      blink::mojom::kInvalidServiceWorkerVersionId, std::move(event_args),
+      info);
 }
 
 bool ExtensionsGuestViewManagerDelegate::IsGuestAvailableToContext(

extensions/browser/guest_view/web_view/web_view_guest.cc

@@ -583,8 +583,12 @@ int WebViewGuest::GetTaskPrefix() const {
 
 void WebViewGuest::GuestDestroyed() {
   WebViewRendererState::GetInstance()->RemoveGuest(
-      web_contents()->GetRenderViewHost()->GetProcess()->GetID(),
-      web_contents()->GetRenderViewHost()->GetRoutingID());
+      web_contents()
+          ->GetMainFrame()
+          ->GetRenderViewHost()
+          ->GetProcess()
+          ->GetID(),
+      web_contents()->GetMainFrame()->GetRenderViewHost()->GetRoutingID());
 }
 
 void WebViewGuest::GuestReady() {
@@ -1090,8 +1094,13 @@ void WebViewGuest::PushWebViewStateToIOThread() {
       web_view_info.embedder_process_id, web_view_info.instance_id);
 
   WebViewRendererState::GetInstance()->AddGuest(
-      web_contents()->GetRenderViewHost()->GetProcess()->GetID(),
-      web_contents()->GetRenderViewHost()->GetRoutingID(), web_view_info);
+      web_contents()
+          ->GetMainFrame()
+          ->GetRenderViewHost()
+          ->GetProcess()
+          ->GetID(),
+      web_contents()->GetMainFrame()->GetRenderViewHost()->GetRoutingID(),
+      web_view_info);
 }
 
 void WebViewGuest::RequestMediaAccessPermission(
@@ -1315,14 +1324,22 @@ void WebViewGuest::SetAllowTransparency(bool allow) {
     return;
 
   allow_transparency_ = allow;
-  if (!web_contents()->GetRenderViewHost()->GetWidget()->GetView())
+  if (!web_contents()
+           ->GetMainFrame()
+           ->GetRenderViewHost()
+           ->GetWidget()
+           ->GetView())
     return;
 
   SetTransparency();
 }
 
 void WebViewGuest::SetTransparency() {
-  auto* view = web_contents()->GetRenderViewHost()->GetWidget()->GetView();
+  auto* view = web_contents()
+                   ->GetMainFrame()
+                   ->GetRenderViewHost()
+                   ->GetWidget()
+                   ->GetView();
   if (allow_transparency_)
     view->SetBackgroundColor(SK_ColorTRANSPARENT);
   else
@@ -1650,6 +1667,7 @@ void WebViewGuest::SetFullscreenState(bool is_fullscreen) {
   // Since we changed fullscreen state, sending a SynchronizeVisualProperties
   // message ensures that renderer/ sees the change.
   web_contents()
+      ->GetMainFrame()
       ->GetRenderViewHost()
       ->GetWidget()
       ->SynchronizeVisualProperties();