Add use counters for Secure Context checks and sandboxed origins.

third_party/WebKit/Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 5855 matching lines @@
 {
     wrapper = V8DOMWrapper::associateObjectWithWrapper(isolate, this, wrapperType, wrapper);
     DOMWrapperWorld& world = DOMWrapperWorld::current(isolate);
     if (world.isMainWorld() && frame())
         frame()->script().windowProxy(world)->updateDocumentWrapper(wrapper);
     return wrapper;
 }
 
 bool Document::isSecureContext(String& errorMessage, const SecureContextCheck privilegeContextCheck) const
 {
-    if (isSecureContextImpl(privilegeContextCheck))
+    bool isSecure = isSecureContextImpl(privilegeContextCheck);
+    if (getSandboxFlags() != SandboxNone) {
+        UseCounter::count(*this, isSecure
+            ? UseCounter::SecureContextCheckForSandboxedOriginPassed
+            : UseCounter::SecureContextCheckForSandboxedOriginFailed);
+    }
+    UseCounter::count(*this, isSecure
+        ? UseCounter::SecureContextCheckPassed
+        : UseCounter::SecureContextCheckFailed);
+
+    if (isSecure)
         return true;
+
     errorMessage = SecurityOrigin::isPotentiallyTrustworthyErrorMessage();
     return false;
 }
 
 bool Document::isSecureContext(const SecureContextCheck privilegeContextCheck) const
 {
-    return isSecureContextImpl(privilegeContextCheck);
+    bool isSecure = isSecureContextImpl(privilegeContextCheck);
+    if (getSandboxFlags() != SandboxNone) {
+        UseCounter::count(*this, isSecure
+            ? UseCounter::SecureContextCheckForSandboxedOriginPassed
+            : UseCounter::SecureContextCheckForSandboxedOriginFailed);
+    }
+    UseCounter::count(*this, isSecure
+        ? UseCounter::SecureContextCheckPassed
+        : UseCounter::SecureContextCheckFailed);
+    return isSecure;
 }
 
 void Document::enforceInsecureRequestPolicy(WebInsecureRequestPolicy policy)
 {
     // Combine the new policy with the existing policy, as a base policy may be
     // inherited from a remote parent before this page's policy is set. In other
     // words, insecure requests should be upgraded or blocked if _either_ the
     // existing policy or the newly enforced policy triggers upgrades or
     // blockage.
     setInsecureRequestPolicy(getInsecureRequestPolicy() | policy);
@@ skipping 124 matching lines @@
 }
 
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (Document* document : set)
         fprintf(stderr, "- Document %p URL: %s\n", document, document->url().getString().utf8().data());
 }
 #endif