Add UseCounters for alert(), confirm() and prompt() usage against site engagement.

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 727 matching lines @@
 
   if (document()->isSandboxed(SandboxModals)) {
     UseCounter::count(document(), UseCounter::DialogInSandboxedContext);
     frameConsole()->addMessage(ConsoleMessage::create(
         SecurityMessageSource, ErrorMessageLevel,
         "Ignored call to 'alert()'. The document is sandboxed, and the "
         "'allow-modals' keyword is not set."));
     return;
   }
 
+  switch (document()->getEngagementLevel()) {
+    case mojom::blink::EngagementLevel::NONE:
+      UseCounter::count(document(), UseCounter::AlertEngagementNone);
+      break;
+    case mojom::blink::EngagementLevel::MINIMAL:
+      UseCounter::count(document(), UseCounter::AlertEngagementMinimal);
+      break;
+    case mojom::blink::EngagementLevel::LOW:
+      UseCounter::count(document(), UseCounter::AlertEngagementLow);
+      break;
+    case mojom::blink::EngagementLevel::MEDIUM:
+      UseCounter::count(document(), UseCounter::AlertEngagementMedium);
+      break;
+    case mojom::blink::EngagementLevel::HIGH:
+      UseCounter::count(document(), UseCounter::AlertEngagementHigh);
+      break;
+    case mojom::blink::EngagementLevel::MAX:
+      UseCounter::count(document(), UseCounter::AlertEngagementMax);
+      break;
+  }
+
   if (v8::MicrotasksScope::IsRunningMicrotasks(scriptState->isolate())) {
     UseCounter::count(document(), UseCounter::During_Microtask_Alert);
   }
 
   document()->updateStyleAndLayoutTree();
 
   FrameHost* host = frame()->host();
   if (!host)
     return;
 
   UseCounter::countCrossOriginIframe(*document(),
                                      UseCounter::CrossOriginWindowAlert);
 
   host->chromeClient().openJavaScriptAlert(frame(), message);
 }
 
 bool LocalDOMWindow::confirm(ScriptState* scriptState, const String& message) {
   if (!frame())
     return false;
 
   if (document()->isSandboxed(SandboxModals)) {
     UseCounter::count(document(), UseCounter::DialogInSandboxedContext);
     frameConsole()->addMessage(ConsoleMessage::create(
         SecurityMessageSource, ErrorMessageLevel,
         "Ignored call to 'confirm()'. The document is sandboxed, and the "
         "'allow-modals' keyword is not set."));
     return false;
   }
 
+  switch (document()->getEngagementLevel()) {
+    case mojom::blink::EngagementLevel::NONE:
+      UseCounter::count(document(), UseCounter::ConfirmEngagementNone);
+      break;
+    case mojom::blink::EngagementLevel::MINIMAL:
+      UseCounter::count(document(), UseCounter::ConfirmEngagementMinimal);
+      break;
+    case mojom::blink::EngagementLevel::LOW:
+      UseCounter::count(document(), UseCounter::ConfirmEngagementLow);
+      break;
+    case mojom::blink::EngagementLevel::MEDIUM:
+      UseCounter::count(document(), UseCounter::ConfirmEngagementMedium);
+      break;
+    case mojom::blink::EngagementLevel::HIGH:
+      UseCounter::count(document(), UseCounter::ConfirmEngagementHigh);
+      break;
+    case mojom::blink::EngagementLevel::MAX:
+      UseCounter::count(document(), UseCounter::ConfirmEngagementMax);
+      break;
+  }
+
   if (v8::MicrotasksScope::IsRunningMicrotasks(scriptState->isolate())) {
     UseCounter::count(document(), UseCounter::During_Microtask_Confirm);
   }
 
   document()->updateStyleAndLayoutTree();
 
   FrameHost* host = frame()->host();
   if (!host)
     return false;
 
@@ skipping 11 matching lines @@
 
   if (document()->isSandboxed(SandboxModals)) {
     UseCounter::count(document(), UseCounter::DialogInSandboxedContext);
     frameConsole()->addMessage(ConsoleMessage::create(
         SecurityMessageSource, ErrorMessageLevel,
         "Ignored call to 'prompt()'. The document is sandboxed, and the "
         "'allow-modals' keyword is not set."));
     return String();
   }
 
+  switch (document()->getEngagementLevel()) {
+    case mojom::blink::EngagementLevel::NONE:
+      UseCounter::count(document(), UseCounter::PromptEngagementNone);
+      break;
+    case mojom::blink::EngagementLevel::MINIMAL:
+      UseCounter::count(document(), UseCounter::PromptEngagementMinimal);
+      break;
+    case mojom::blink::EngagementLevel::LOW:
+      UseCounter::count(document(), UseCounter::PromptEngagementLow);
+      break;
+    case mojom::blink::EngagementLevel::MEDIUM:
+      UseCounter::count(document(), UseCounter::PromptEngagementMedium);
+      break;
+    case mojom::blink::EngagementLevel::HIGH:
+      UseCounter::count(document(), UseCounter::PromptEngagementHigh);
+      break;
+    case mojom::blink::EngagementLevel::MAX:
+      UseCounter::count(document(), UseCounter::PromptEngagementMax);
+      break;
+  }
+
   if (v8::MicrotasksScope::IsRunningMicrotasks(scriptState->isolate())) {
     UseCounter::count(document(), UseCounter::During_Microtask_Prompt);
   }
 
   document()->updateStyleAndLayoutTree();
 
   FrameHost* host = frame()->host();
   if (!host)
     return String();
 
@@ skipping 752 matching lines @@
 
 LocalFrame* LocalDOMWindow::frame() const {
   // If the LocalDOMWindow still has a frame reference, that frame must point
   // back to this LocalDOMWindow: otherwise, it's easy to get into a situation
   // where script execution leaks between different LocalDOMWindows.
   SECURITY_DCHECK(!m_frame || m_frame->domWindow() == this);
   return m_frame;
 }
 
 }  // namespace blink