Android: Remove MobileStartup.Toolbar* histograms

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarLayout.java

 // 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.
 
 package org.chromium.chrome.browser.toolbar;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.ColorStateList;
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
-import android.os.SystemClock;
 import android.util.AttributeSet;
 import android.view.Gravity;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
 import android.widget.ProgressBar;
 
 import org.chromium.base.ApiCompatibilityUtils;
@@ skipping 13 matching lines @@
 import org.chromium.ui.widget.Toast;
 
 import javax.annotation.Nullable;
 
 /**
  * Layout class that contains the base shared logic for manipulating the toolbar component. For
  * interaction that are not from Views inside Toolbar hierarchy all interactions should be done
  * through {@link Toolbar} rather than using this class directly.
  */
 abstract class ToolbarLayout extends FrameLayout implements Toolbar {
-    protected static final int BACKGROUND_TRANSITION_DURATION_MS = 400;
-
     private Invalidator mInvalidator;
 
     private final int[] mTempPosition = new int[2];
 
     /**
      * The ImageButton view that represents the menu button.
      */
     protected TintedImageButton mMenuButton;
     protected ImageView mMenuBadge;
     protected View mMenuButtonWrapper;
     private AppMenuButtonHelper mAppMenuButtonHelper;
 
     protected final ColorStateList mDarkModeTint;
     protected final ColorStateList mLightModeTint;
 
     private ToolbarDataProvider mToolbarDataProvider;
     private ToolbarTabController mToolbarTabController;
     @Nullable
     private ToolbarProgressBar mProgressBar;
 
     private boolean mNativeLibraryReady;
     private boolean mUrlHasFocus;
 
-    private long mFirstDrawTimeMs;
-
     protected final int mToolbarHeightWithoutShadow;
 
     private boolean mFindInPageToolbarShowing;
 
     protected boolean mShowMenuBadge;
     private AnimatorSet mMenuBadgeAnimatorSet;
     private boolean mIsMenuBadgeAnimationRunning;
 
     /**
      * Basic constructor for {@link ToolbarLayout}.
@@ skipping 144 matching lines @@
     }
 
     /**
      * @return Whether or not the native library is loaded and ready.
      */
     protected boolean isNativeLibraryReady() {
         return mNativeLibraryReady;
     }
 
     @Override
-    protected void onDraw(Canvas canvas) {
-        super.onDraw(canvas);
-        recordFirstDrawTime();
-    }
-
-    @Override
     protected void onAttachedToWindow() {
         super.onAttachedToWindow();
         if (mProgressBar != null) {
             ViewGroup controlContainer =
                     (ViewGroup) getRootView().findViewById(R.id.control_container);
             int progressBarPosition = UiUtils.insertAfter(
                     controlContainer, mProgressBar, (View) getParent());
             assert progressBarPosition >= 0;
             mProgressBar.setControlContainer(controlContainer);
         }
@@ skipping 184 matching lines @@
      */
     protected void onPrimaryColorChanged(boolean shouldAnimate) { }
 
     /**
      * Sets the icon drawable that the close button in the toolbar (if any) should show.
      */
     public void setCloseButtonImageResource(Drawable drawable) { }
 
     /**
      * Sets/adds a custom action button to the {@link ToolbarLayout} if it is supported.
+     * @param drawable The {@link Drawable} to use as the background for the button.
      * @param description  The content description for the button.
      * @param listener     The {@link OnClickListener} to use for clicks to the button.
-     * @param buttonSource The {@link Bitmap} resource to use as the source for the button.
      */
     public void setCustomActionButton(Drawable drawable, String description,
             OnClickListener listener) { }
 
     /**
      * @return The height of the tab strip. Return 0 for toolbars that do not have a tabstrip.
      */
     public int getTabStripHeight() {
         return getResources().getDimensionPixelSize(R.dimen.tab_strip_height);
     }
@@ skipping 84 matching lines @@
 
     /**
      * Triggered when the URL input field has gained or lost focus.
      * @param hasFocus Whether the URL field has gained focus.
      */
     protected void onUrlFocusChange(boolean hasFocus) {
         mUrlHasFocus = hasFocus;
     }
 
     /**
-     * Keeps track of the first time the toolbar is drawn.
-     */
-    private void recordFirstDrawTime() {
-        if (mFirstDrawTimeMs == 0) mFirstDrawTimeMs = SystemClock.elapsedRealtime();
-    }
-
-    /**
-     * Returns the elapsed realtime in ms of the time at which first draw for the toolbar occurred.
-     */
-    public long getFirstDrawTime() {
-        return mFirstDrawTimeMs;
-    }
-
-    /**
      * Notified when a navigation to a different page has occurred.
      */
     protected void onNavigatedToDifferentPage() {
     }
 
     /**
      * Starts load progress.
      */
     protected void startLoadProgress() {
         if (mProgressBar != null) {
@@ skipping 205 matching lines @@
     protected void setMenuButtonContentDescription(boolean isUpdateBadgeVisible) {
         if (isUpdateBadgeVisible) {
             mMenuButton.setContentDescription(getResources().getString(
                     R.string.accessibility_toolbar_btn_menu_update));
         } else {
             mMenuButton.setContentDescription(getResources().getString(
                     R.string.accessibility_toolbar_btn_menu));
         }
     }
 }