[TTS] Gather surrounding text on Tap before any UX.

chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/action/ResolvedSearchAction.java

+// Copyright 2016 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.contextualsearch.action;
+
+import org.chromium.chrome.browser.contextualsearch.gesture.SearchGestureHost;
+
+/**
+ * Represents a Search Action that will gather and examine surrounding text in order to
+ * "resolve" what to search for.
+ * Right now this class is just being used to extract surrounding context for a tap
+ * action before issuing the resolution request to determine if we want to suppress
+ * the tap. Longer term it will actually do the resolution request & search request.
+ * This is part of the 2016-refactoring (crbug.com/624609, go/cs-refactoring-2016).
+ */
+public class ResolvedSearchAction extends SearchAction {
+    // ============================================================================================
+    // Constructor
+    // ============================================================================================
+
+    public ResolvedSearchAction(SearchActionListener listener, SearchGestureHost host) {
+        super(listener, host);
+    }
+
+    // ============================================================================================
+    // Abstract implementations
+    // ============================================================================================
+
+    @Override
+    public void extractContext() {
+        requestSurroundingText();
+    }
+
+    // ============================================================================================
+    // State handling
+    // ============================================================================================
+
+    @Override
+    protected void onSurroundingTextResponse() {
+        super.onSurroundingTextResponse();
+
+        notifyContextReady();
+    }
+}