Migrate more files to histogram_macros.h from histogram.h.

ui/events/gestures/blink/web_gesture_curve_impl.cc

 // Copyright 2014 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 "ui/events/gestures/blink/web_gesture_curve_impl.h"
 
 #include <limits.h>
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
-#include "base/metrics/histogram.h"
+#include "base/metrics/histogram_macros.h"
 #include "build/build_config.h"
 #include "third_party/WebKit/public/platform/WebFloatSize.h"
 #include "third_party/WebKit/public/platform/WebGestureCurveTarget.h"
 #include "ui/events/gestures/fling_curve.h"
 #include "ui/gfx/geometry/safe_integer_conversions.h"
 #include "ui/gfx/geometry/vector2d.h"
 
 #if defined(OS_ANDROID)
 #include "ui/events/android/scroller.h"
 #endif
@@ skipping 114 matching lines @@
     return still_active;
 
   // scrollBy() could delete this curve if the animation is over, so don't touch
   // any member variables after making that call.
   bool did_scroll = target->scrollBy(blink::WebFloatSize(delta),
                                      blink::WebFloatSize(velocity));
   return did_scroll && still_active;
 }
 
 }  // namespace ui