Remove unnecessary includes from Document.h

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

 // Copyright 2015 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 "DocumentStatisticsCollector.h"
 
 #include "core/HTMLNames.h"
 #include "core/InputTypeNames.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/NodeComputedStyle.h"
 #include "core/dom/Text.h"
 #include "core/frame/FrameHost.h"
+#include "core/frame/LocalFrame.h"
+#include "core/frame/VisualViewport.h"
 #include "core/html/HTMLHeadElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLMetaElement.h"
 #include "platform/Histogram.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebDistillability.h"
 
 namespace blink {
 
 using namespace HTMLNames;
@@ skipping 220 matching lines @@
 
     double elapsedTime = monotonicallyIncreasingTime() - startTime;
 
     DEFINE_STATIC_LOCAL(CustomCountHistogram, distillabilityHistogram, ("WebCore.DistillabilityUs", 1, 1000000, 50));
     distillabilityHistogram.count(static_cast<int>(1e6 * elapsedTime));
 
     return features;
 }
 
 } // namespace blink