Add feature use counting for window.external.AddSearchProvider (Blink side).

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 101 matching lines @@
 #include "core/editing/iterators/TextIterator.h"
 #include "core/editing/serializers/Serialization.h"
 #include "core/editing/spellcheck/SpellChecker.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/fetch/SubstituteData.h"
 #include "core/frame/Console.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/Settings.h"
+#include "core/frame/UseCounter.h"
 #include "core/html/HTMLAnchorElement.h"
 #include "core/html/HTMLCollection.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/html/HTMLHeadElement.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLLinkElement.h"
 #include "core/html/PluginDocument.h"
@@ skipping 1998 matching lines @@
     AppBannerController::willShowInstallBannerPrompt(requestId, client()->appBannerClient(), frame(), platforms, reply);
 }
 
 void WebLocalFrameImpl::requestRunTask(WebSuspendableTask* task) const
 {
     ASSERT(frame());
     ASSERT(frame()->document());
     frame()->document()->postSuspendableTask(WebSuspendableTaskWrapper::create(adoptPtr(task)));
 }
 
+void WebLocalFrameImpl::didCallAddSearchProvider()
+{
+    UseCounter::count(frame(), UseCounter::ExternalAddSearchProvider);
+}
+
+void WebLocalFrameImpl::didCallIsSearchProviderInstalled()
+{
+    UseCounter::count(frame(), UseCounter::ExternalIsSearchProviderInstalled);
+}
+
 void WebLocalFrameImpl::willBeDetached()
 {
     if (m_devToolsAgent)
         m_devToolsAgent->willBeDestroyed();
 }
 
 void WebLocalFrameImpl::willDetachParent()
 {
     // Do not expect string scoping results from any frames that got detached
     // in the middle of the operation.
@@ skipping 42 matching lines @@
 }
 
 WebSandboxFlags WebLocalFrameImpl::effectiveSandboxFlags() const
 {
     if (!frame())
         return WebSandboxFlags::None;
     return static_cast<WebSandboxFlags>(frame()->loader().effectiveSandboxFlags());
 }
 
 } // namespace blink