Rename classes related to top controls

chrome/android/java/src/org/chromium/chrome/browser/tab/TopControlsVisibilityDelegate.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tab/TopControlsVisibilityDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tab/TopControlsVisibilityDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/tab/TopControlsVisibilityDelegate.java
deleted file mode 100644
index ca1fb440bf30ba3bff391ca02352be40f6e4f2dd..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/tab/TopControlsVisibilityDelegate.java
+++ /dev/null
@@ -1,65 +0,0 @@
-// 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.tab;
-
-import org.chromium.chrome.browser.UrlConstants;
-import org.chromium.chrome.browser.device.DeviceClassManager;
-import org.chromium.chrome.browser.util.AccessibilityUtil;
-import org.chromium.components.security_state.ConnectionSecurityLevel;
-import org.chromium.content.browser.ContentViewCore;
-import org.chromium.content_public.browser.WebContents;
-
-/**
- * A delegate to determine visibility of the top controls.
- */
-public class TopControlsVisibilityDelegate {
-    protected final Tab mTab;
-
-    /**
-     * Basic constructor.
-     * @param tab The associated {@link Tab}.
-     */
-    public TopControlsVisibilityDelegate(Tab tab) {
-        mTab = tab;
-    }
-
-    /**
-     * @return Whether hiding top controls is enabled or not.
-     */
-    public boolean isHidingTopControlsEnabled() {
-        WebContents webContents = mTab.getWebContents();
-        if (webContents == null || webContents.isDestroyed()) return false;
-
-        String url = mTab.getUrl();
-        boolean enableHidingTopControls = url != null;
-        enableHidingTopControls &= !url.startsWith(UrlConstants.CHROME_SCHEME);
-        enableHidingTopControls &= !url.startsWith(UrlConstants.CHROME_NATIVE_SCHEME);
-
-        int securityState = mTab.getSecurityLevel();
-        enableHidingTopControls &= (securityState != ConnectionSecurityLevel.DANGEROUS
-                && securityState != ConnectionSecurityLevel.SECURITY_WARNING);
-
-        enableHidingTopControls &=
-                !AccessibilityUtil.isAccessibilityEnabled(mTab.getApplicationContext());
-
-        ContentViewCore cvc = mTab.getContentViewCore();
-        enableHidingTopControls &= cvc == null || !cvc.isFocusedNodeEditable();
-        enableHidingTopControls &= !mTab.isShowingErrorPage();
-        enableHidingTopControls &= !webContents.isShowingInterstitialPage();
-        enableHidingTopControls &= (mTab.getFullscreenManager() != null);
-        enableHidingTopControls &= DeviceClassManager.enableFullscreen();
-        enableHidingTopControls &= !mTab.isFullscreenWaitingForLoad();
-
-        return enableHidingTopControls;
-    }
-
-    /**
-     * @return Whether showing top controls is enabled or not.
-     */
-    public boolean isShowingTopControlsEnabled() {
-        if (mTab.getFullscreenManager() == null) return true;
-        return !mTab.getFullscreenManager().getPersistentFullscreenMode();
-    }
-}