Stricter user gestures for touch - measure and warn

third_party/WebKit/Source/core/frame/Deprecation.cpp

 // 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 "core/frame/Deprecation.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/frame/FrameConsole.h"
 #include "core/frame/FrameHost.h"
@@ skipping 130 matching lines @@
     Deprecation::countDeprecation(document.frame(), feature);
 }
 
 void Deprecation::countDeprecationIfNotPrivateScript(v8::Isolate* isolate, ExecutionContext* context, UseCounter::Feature feature)
 {
     if (DOMWrapperWorld::current(isolate).isPrivateScriptIsolatedWorld())
         return;
     Deprecation::countDeprecation(context, feature);
 }
 
-void Deprecation::countDeprecationCrossOriginIframe(const Document& document, UseCounter::Feature feature)
+void Deprecation::countDeprecationCrossOriginIframe(const LocalFrame* frame, UseCounter::Feature feature)
 {
-    LocalFrame* frame = document.frame();
-    if (!frame)
-        return;
     // Check to see if the frame can script into the top level document.
     SecurityOrigin* securityOrigin = frame->securityContext()->getSecurityOrigin();
     Frame* top = frame->tree().top();
     if (top && !securityOrigin->canAccess(top->securityContext()->getSecurityOrigin()))
         countDeprecation(frame, feature);
 }
 
+void Deprecation::countDeprecationCrossOriginIframe(const Document& document, UseCounter::Feature feature)
+{
+    LocalFrame* frame = document.frame();
+    if (!frame)
+        return;
+    countDeprecationCrossOriginIframe(frame, feature);
+}
+
 String Deprecation::deprecationMessage(UseCounter::Feature feature)
 {
     switch (feature) {
     // Quota
     case UseCounter::PrefixedStorageInfo:
         return replacedBy("'window.webkitStorageInfo'", "'navigator.webkitTemporaryStorage' or 'navigator.webkitPersistentStorage'");
 
     case UseCounter::ConsoleMarkTimeline:
         return replacedBy("'console.markTimeline'", "'console.timeStamp'");
 
@@ skipping 188 matching lines @@
 
     case UseCounter::PresentationConnectionStateChangeEventListener:
         return replacedWillBeRemoved("'PresentationConnection.onstateachange'", "'PresentationConnection.on{connect,close,terminate}'", 51, "5662456714100736");
 
     case UseCounter::HTMLKeygenElement:
         return willBeRemoved("The <keygen> element", 54, "5716060992962560");
 
     case UseCounter::ResultsAttribute:
         return willBeRemoved("'results' attribute", 53, "5738199536107520");
 
+    case UseCounter::TouchDragUserGestureUsedCrossOrigin:
+        return willBeRemoved("Performing sensitive operations in iframes on touch events which don't represent a tap gesture", 52, "XXX-TODO");
+
     // Features that aren't deprecated don't have a deprecation message.
     default:
         return String();
     }
 }
 
 } // namespace blink