Navigation throttle for the Safe Browsing Subresource Filter.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 74b64ae03340f1ba0357c30a365580dc117a9827..4d3efa02631fa39a9c1365cc6a9e5bb073b0e94d 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -132,6 +132,7 @@
 #include "components/security_interstitials/core/ssl_error_ui.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "components/startup_metric_utils/browser/startup_metric_host_impl.h"
+#include "components/subresource_filter/content/browser/subresource_filter_navigation_throttle.h"
 #include "components/translate/core/common/translate_switches.h"
 #include "components/url_formatter/url_fixer.h"
 #include "components/variations/variations_associated_data.h"
@@ -2899,6 +2900,12 @@ ChromeContentBrowserClient::CreateThrottlesForNavigation(
     throttles.push_back(new extensions::ExtensionNavigationThrottle(handle));
 #endif
 
+  if (handle->IsInMainFrame() && handle->GetURL().SchemeIsHTTPOrHTTPS()) {

[clamy, 2016/06/24 12:13:38]

Put a TODO indicating that this should move to a WebContentsObserver, once we
call ReadyToCommitNavigation properly? Note: we have a bug tracking that at
crbug.com/621856.

[melandory, 2016/06/25 01:46:05]

Done.

+    throttles.push_back(
+        subresource_filter::SubresourceFilterNavigationThrottle::Create(
+            handle));
+  }
+
   return throttles;
 }