Remove NavigateToInterstitialUrl function from RenderFrameHostImpl

This function was only used for overlay interstitial, and is dead code
now.

Bug: 1076947, 1077074
Change-Id: Ieb208b0c617852cc8f74402ffed89d02d4e7219a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2202675
Commit-Queue: Carlos IL <carlosil@chromium.org>
Commit-Queue: Nasko Oskov <nasko@chromium.org>
Auto-Submit: Carlos IL <carlosil@chromium.org>
Reviewed-by: Nasko Oskov <nasko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#769048}

content/browser/frame_host/render_frame_host_impl.cc

@@ -491,8 +491,7 @@ void LogCanCommitOriginAndUrlFailureReason(const std::string& failure_reason) {
 
 url::Origin GetOriginForURLLoaderFactoryUnchecked(
     NavigationRequest* navigation_request) {
-  // Return a safe opaque origin when there is no |navigation_request| (e.g.
-  // when RFHI::CommitNavigation is called via RFHI::NavigateToInterstitialURL).
+  // Return a safe opaque origin when there is no |navigation_request|
   if (!navigation_request)
     return url::Origin();
 
@@ -5202,32 +5201,6 @@ CanCommitStatus RenderFrameHostImpl::CanCommitOriginAndUrl(
   return CanCommitStatus::CAN_COMMIT_ORIGIN_AND_URL;
 }
 
-void RenderFrameHostImpl::NavigateToInterstitialURL(const GURL& data_url) {
-  TRACE_EVENT1("navigation", "RenderFrameHostImpl::NavigateToInterstitialURL",
-               "frame_tree_node", frame_tree_node_->frame_tree_node_id());
-  DCHECK(data_url.SchemeIs(url::kDataScheme));
-  NavigationDownloadPolicy download_policy;
-  download_policy.SetDisallowed(NavigationDownloadType::kInterstitial);
-
-  auto common_params = mojom::CommonNavigationParams::New(
-      data_url, base::nullopt, blink::mojom::Referrer::New(),
-      ui::PAGE_TRANSITION_LINK, mojom::NavigationType::DIFFERENT_DOCUMENT,
-      download_policy, false, GURL(), GURL(), PREVIEWS_OFF,
-      base::TimeTicks::Now(), "GET", nullptr,
-      network::mojom::SourceLocation::New(),
-      false /* started_from_context_menu */, false /* has_user_gesture */,
-      CreateInitiatorCSPInfo(), std::vector<int>(), std::string(),
-      false /* is_history_navigation_in_new_child_frame */, base::TimeTicks());
-  CommitNavigation(nullptr /* navigation_request */, std::move(common_params),
-                   CreateCommitNavigationParams(), nullptr /* response_head */,
-                   mojo::ScopedDataPipeConsumerHandle(),
-                   network::mojom::URLLoaderClientEndpointsPtr(), false,
-                   base::nullopt, base::nullopt /* subresource_overrides */,
-                   nullptr /* provider_info */,
-                   base::UnguessableToken::Create() /* not traced */,
-                   nullptr /* web_bundle_factory */);
-}
-
 void RenderFrameHostImpl::Stop() {
   TRACE_EVENT1("navigation", "RenderFrameHostImpl::Stop", "frame_tree_node",
                frame_tree_node_->frame_tree_node_id());

content/browser/frame_host/render_frame_host_impl.h

@@ -694,9 +694,6 @@ class CONTENT_EXPORT RenderFrameHostImpl
            lifecycle_state_ == LifecycleState::kSpeculative;
   }
 
-  // Navigates to an interstitial page represented by the provided data URL.
-  void NavigateToInterstitialURL(const GURL& data_url);
-
   // Stop the load in progress.
   void Stop();