Removing ContentViewCore dependencies from few functions which acts as direct wrapper to WebContents

content/public/android/java/src/org/chromium/content_public/browser/NavigationTransitionDelegate.java

+// 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.
+
+package org.chromium.content_public.browser;
+
+/**
+ * An interface that allows the embedder to be notified of navigation transition
+ * related events and respond to them.
+ */
+public interface NavigationTransitionDelegate {
+    /**
+     * Called when the navigation is deferred immediately after the response started.
+     * @param markup The markup coming as part of response.
+     * @param cssSelector The CSS selectors, which is to be applied to transition layer's
+     *                    makrup.
+     * @param enteringColor The background color of the entering document, as a String
+     *                      representing a legal CSS color value. This is inserted into
+     *                      the transition layer's markup after the entering stylesheets
+     *                      have been applied.
+     */
+    public void didDeferAfterResponseStarted(
+            String markup, String cssSelector, String enteringColor);
+
+    /**
+     * Called when a navigation transition has been detected, and we need to check
+     * if it's supported.
+     */
+    public boolean willHandleDeferAfterResponseStarted();
+
+    /**
+     * Called when the navigation is deferred immediately after the response
+     * started.
+     */
+    public void addEnteringStylesheetToTransition(String stylesheet);
+
+    /**
+     * Notifies that a navigation transition is started for a given frame.
+     * @param frameId A positive, non-zero integer identifying the navigating frame.
+     */
+    public void didStartNavigationTransitionForFrame(long frameId);
+}