PlzNavigate: Move navigation-level mixed content checks to the browser.

third_party/WebKit/Source/core/loader/MixedContentChecker.h

Index: third_party/WebKit/Source/core/loader/MixedContentChecker.h
diff --git a/third_party/WebKit/Source/core/loader/MixedContentChecker.h b/third_party/WebKit/Source/core/loader/MixedContentChecker.h
index 33e8a1a82f912cf420a7de0e7aa3d51d85ed4f20..ebe510ce1d5cba850a7e19114c4dbc5e0f849f57 100644
--- a/third_party/WebKit/Source/core/loader/MixedContentChecker.h
+++ b/third_party/WebKit/Source/core/loader/MixedContentChecker.h
@@ -47,6 +47,14 @@ class KURL;
 class ResourceResponse;
 class SecurityOrigin;
 
+// Checks resource loads for mixed-content. If PlzNavigate is enabled then this
+// class only checks for sub-resource loads while frame-level loads are
+// delegated to the browser where they are checked by
+// MixedContentNavigationThrottle. Changes to this class might need to be
+// reflected on its browser counterpart.
+//
+// Current mixed content W3C draft that drives this implementation:
+// https://w3c.github.io/webappsec-mixed-content/
 class CORE_EXPORT MixedContentChecker final {
   WTF_MAKE_NONCOPYABLE(MixedContentChecker);
   DISALLOW_NEW();
@@ -94,6 +102,14 @@ class CORE_EXPORT MixedContentChecker final {
                                      WebURLRequest::FrameType,
                                      WebURLRequest::RequestContext);
 
+  // Receive a information about mixed content that was found by the browser.

[nasko, 2017/01/12 18:32:38]

nit: No need for "a" before information.

[carlosk, 2017/01/21 02:54:59]

Done.

+  static void mixedContentFoundByTheBrowser(LocalFrame*,
+                                            const KURL& mainResourceUrl,
+                                            const KURL& mixedContentUrl,
+                                            WebURLRequest::RequestContext,
+                                            bool wasAllowed,
+                                            bool hadRedirect);
+
  private:
   FRIEND_TEST_ALL_PREFIXES(MixedContentCheckerTest, HandleCertificateError);