Skeleton of the Safe Browsing Subresource Filter.

components/subresource_filter/content/browser/content_subresource_filter_driver.cc

Index: components/subresource_filter/content/browser/content_subresource_filter_driver.cc
diff --git a/components/subresource_filter/content/browser/content_subresource_filter_driver.cc b/components/subresource_filter/content/browser/content_subresource_filter_driver.cc
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index 0000000000000000000000000000000000000000..66274fc2338c7923b12ecd5f1f9a3a728637b190
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+++ b/components/subresource_filter/content/browser/content_subresource_filter_driver.cc
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+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/subresource_filter/content/browser/content_subresource_filter_driver.h"
+
+#include "components/subresource_filter/content/common/subresource_filter_messages.h"
+#include "content/public/browser/render_frame_host.h"
+
+namespace subresource_filter {
+
+ContentSubresourceFilterDriver::ContentSubresourceFilterDriver(
+    content::RenderFrameHost* render_frame_host)
+    : render_frame_host_(render_frame_host) {}
+
+ContentSubresourceFilterDriver::~ContentSubresourceFilterDriver() {}
+
+void ContentSubresourceFilterDriver::ActivateForProvisionalLoad(
+    ActivationState activation_state) {
+  // Must use legacy IPC to ensure the activation message arrives in-order, i.e.
+  // before the load is committed on the renderer side.
+  render_frame_host_->Send(
+      new SubresourceFilterAgentMsg_ActivateForProvisionalLoad(
+          render_frame_host_->GetRoutingID(), activation_state));
+}
+
+}  // namespace subresource_filter