2 files changed, 51 insertions, 5 deletions

diff --git a/chromium/chrome/renderer/previews/resource_loading_hints_agent.cc b/chromium/chrome/renderer/previews/resource_loading_hints_agent.cc
index 5e0737dc806..154008b2061 100644
--- a/chromium/chrome/renderer/previews/resource_loading_hints_agent.cc
+++ b/chromium/chrome/renderer/previews/resource_loading_hints_agent.cc
@@ -7,6 +7,7 @@
 #include <vector>
 
 #include "base/metrics/histogram_macros.h"
+#include "base/metrics/histogram_macros_local.h"
 #include "content/public/renderer/render_frame.h"
 #include "third_party/blink/public/platform/web_loading_hints_provider.h"
 #include "third_party/blink/public/platform/web_string.h"
@@ -38,8 +39,6 @@ ResourceLoadingHintsAgent::ResourceLoadingHintsAgent(
       content::RenderFrameObserverTracker<ResourceLoadingHintsAgent>(
           render_frame) {
   DCHECK(render_frame);
-  DCHECK(IsMainFrame());
-
   associated_interfaces->AddInterface(base::BindRepeating(
       &ResourceLoadingHintsAgent::SetReceiver, base::Unretained(this)));
 }
@@ -51,17 +50,23 @@ GURL ResourceLoadingHintsAgent::GetDocumentURL() const {
 void ResourceLoadingHintsAgent::DidStartNavigation(
     const GURL& url,
     base::Optional<blink::WebNavigationType> navigation_type) {
+  if (!IsMainFrame())
+    return;
   subresource_redirect_hints_agent_.DidStartNavigation();
 }
 
 void ResourceLoadingHintsAgent::ReadyToCommitNavigation(
     blink::WebDocumentLoader* document_loader) {
+  if (!IsMainFrame())
+    return;
+
   subresource_redirect_hints_agent_.ReadyToCommitNavigation(
       render_frame()->GetRoutingID());
 }
 
 void ResourceLoadingHintsAgent::DidCreateNewDocument() {
-  DCHECK(IsMainFrame());
+  if (!IsMainFrame())
+    return;
   if (!GetDocumentURL().SchemeIsHTTPOrHTTPS())
     return;
 
@@ -101,7 +106,8 @@ bool ResourceLoadingHintsAgent::IsMainFrame() const {
 
 void ResourceLoadingHintsAgent::SetResourceLoadingHints(
     blink::mojom::PreviewsResourceLoadingHintsPtr resource_loading_hints) {
-  DCHECK(IsMainFrame());
+  if (!IsMainFrame())
+    return;
 
   UMA_HISTOGRAM_COUNTS_100(
       "ResourceLoadingHints.CountBlockedSubresourcePatterns",
@@ -117,8 +123,37 @@ void ResourceLoadingHintsAgent::SetResourceLoadingHints(
 
 void ResourceLoadingHintsAgent::SetCompressPublicImagesHints(
     blink::mojom::CompressPublicImagesHintsPtr images_hints) {
+  if (!IsMainFrame())
+    return;
   subresource_redirect_hints_agent_.SetCompressPublicImagesHints(
       std::move(images_hints));
 }
 
+void ResourceLoadingHintsAgent::NotifyHttpsImageCompressionFetchFailed(
+    base::TimeDelta retry_after) {
+  if (!subresource_redirect_service_remote_) {
+    render_frame()->GetRemoteAssociatedInterfaces()->GetInterface(
+        &subresource_redirect_service_remote_);
+  }
+  subresource_redirect_service_remote_->NotifyCompressedImageFetchFailed(
+      retry_after);
+}
+
+void ResourceLoadingHintsAgent::SetLiteVideoHint(
+    blink::mojom::LiteVideoHintPtr lite_video_hint) {
+  auto* lite_video_hint_agent =
+      lite_video::LiteVideoHintAgent::Get(render_frame());
+  if (lite_video_hint_agent)
+    lite_video_hint_agent->SetLiteVideoHint(std::move(lite_video_hint));
+}
+
+void ResourceLoadingHintsAgent::StopThrottlingMediaRequests() {
+  auto* lite_video_hint_agent =
+      lite_video::LiteVideoHintAgent::Get(render_frame());
+  if (lite_video_hint_agent) {
+    LOCAL_HISTOGRAM_BOOLEAN("LiteVideo.HintsAgent.StopThrottling", true);
+    lite_video_hint_agent->StopThrottling();
+  }
+}
+
 }  // namespace previews
diff --git a/chromium/chrome/renderer/previews/resource_loading_hints_agent.h b/chromium/chrome/renderer/previews/resource_loading_hints_agent.h
index 85fdc2b4d88..370b2789d54 100644
--- a/chromium/chrome/renderer/previews/resource_loading_hints_agent.h
+++ b/chromium/chrome/renderer/previews/resource_loading_hints_agent.h
@@ -8,9 +8,10 @@
 #include <memory>
 
 #include "base/bind.h"
-#include "base/logging.h"
 #include "base/macros.h"
 #include "base/optional.h"
+#include "chrome/common/subresource_redirect_service.mojom.h"
+#include "chrome/renderer/lite_video/lite_video_hint_agent.h"
 #include "chrome/renderer/subresource_redirect/subresource_redirect_hints_agent.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/public/renderer/render_frame_observer_tracker.h"
@@ -44,6 +45,9 @@ class ResourceLoadingHintsAgent
     return subresource_redirect_hints_agent_;
   }
 
+  // Notifies the browser process that https image compression fetch had failed.
+  void NotifyHttpsImageCompressionFetchFailed(base::TimeDelta retry_after);
+
  private:
   // content::RenderFrameObserver:
   void DidStartNavigation(
@@ -61,6 +65,9 @@ class ResourceLoadingHintsAgent
                                    resource_loading_hints) override;
   void SetCompressPublicImagesHints(
       blink::mojom::CompressPublicImagesHintsPtr images_hints) override;
+  void SetLiteVideoHint(
+      blink::mojom::LiteVideoHintPtr lite_video_hint) override;
+  void StopThrottlingMediaRequests() override;
 
   void SetReceiver(
       mojo::PendingAssociatedReceiver<
@@ -74,6 +81,10 @@ class ResourceLoadingHintsAgent
   mojo::AssociatedReceiver<blink::mojom::PreviewsResourceLoadingHintsReceiver>
       receiver_{this};
 
+  mojo::AssociatedRemote<
+      subresource_redirect::mojom::SubresourceRedirectService>
+      subresource_redirect_service_remote_;
+
   subresource_redirect::SubresourceRedirectHintsAgent
       subresource_redirect_hints_agent_;