[AppMenu] Move histogram from native -> java

The jump across languages seems unnecessary.

Original CL (Dec 14):
https://codereview.chromium.org/763253005/

Introduction of java histogram recording (Jan 15):
https://codereview.chromium.org/794273004

This looks like just a case that was never migrated.

BUG=

Change-Id: Ie6ebacc60afb0ddd46c87b16256f424431bbfd86
Reviewed-on: https://chromium-review.googlesource.com/1108576
Commit-Queue: Ted Choc <tedchoc@chromium.org>
Reviewed-by: Theresa <twellington@chromium.org>
Cr-Commit-Position: refs/heads/master@{#569074}

chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenuDragHelper.java

@@ -16,10 +16,12 @@ import android.widget.ImageButton;
 import android.widget.LinearLayout;
 import android.widget.ListView;
 
+import org.chromium.base.metrics.RecordHistogram;
 import org.chromium.base.metrics.RecordUserAction;
 import org.chromium.chrome.R;
 
 import java.util.ArrayList;
+import java.util.concurrent.TimeUnit;
 
 /**
  * Handles the drag touch events on AppMenu that start from the menu button.
@@ -158,7 +160,8 @@ class AppMenuDragHelper {
             mAppMenu.dismiss();
             return true;
         } else if (eventActionMasked == MotionEvent.ACTION_UP) {
-            nativeRecordAppMenuTouchDuration(timeSinceDown);
+            RecordHistogram.recordTimesHistogram(
+                    "WrenchMenu.TouchDuration", timeSinceDown, TimeUnit.MILLISECONDS);
         }
 
         mIsSingleTapCanceled |= timeSinceDown > mTapTimeout;
@@ -295,6 +298,4 @@ class AppMenuDragHelper {
         mScreenVisibleRect.offset(mScreenVisiblePoint[0], mScreenVisiblePoint[1]);
         return mScreenVisibleRect;
     }
-
-    private static native void nativeRecordAppMenuTouchDuration(long timeMs);
 }

chrome/browser/BUILD.gn

@@ -1905,8 +1905,6 @@ jumbo_split_static_library("browser") {
       "android/android_theme_resources.h",
       "android/app_hooks.cc",
       "android/app_hooks.h",
-      "android/appmenu/app_menu_drag_helper.cc",
-      "android/appmenu/app_menu_drag_helper.h",
       "android/background_sync_launcher_android.cc",
       "android/background_sync_launcher_android.h",
       "android/background_tab_manager.cc",
@@ -4322,7 +4320,6 @@ if (is_android) {
       "../android/java/src/org/chromium/chrome/browser/WarmupManager.java",
       "../android/java/src/org/chromium/chrome/browser/WebContentsFactory.java",
       "../android/java/src/org/chromium/chrome/browser/accessibility/FontSizePrefs.java",
-      "../android/java/src/org/chromium/chrome/browser/appmenu/AppMenuDragHelper.java",
       "../android/java/src/org/chromium/chrome/browser/autofill/AutofillKeyboardAccessoryBridge.java",
       "../android/java/src/org/chromium/chrome/browser/autofill/AutofillLogger.java",
       "../android/java/src/org/chromium/chrome/browser/autofill/AutofillPopupBridge.java",

chrome/browser/android/appmenu/app_menu_drag_helper.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 "base/metrics/histogram_macros.h"
-#include "jni/AppMenuDragHelper_jni.h"
-
-using base::android::JavaParamRef;
-
-// static
-void JNI_AppMenuDragHelper_RecordAppMenuTouchDuration(
-    JNIEnv* env,
-    const JavaParamRef<jclass>& jcaller,
-    jlong time_ms) {
-  UMA_HISTOGRAM_TIMES("WrenchMenu.TouchDuration",
-                      base::TimeDelta::FromMilliseconds(time_ms));
-}