Implement the basic testing infrastructure for FindRequestManager.

content/test/test_find_request_manager.cc

Index: content/test/test_find_request_manager.cc
diff --git a/content/test/test_find_request_manager.cc b/content/test/test_find_request_manager.cc
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+++ b/content/test/test_find_request_manager.cc
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+// 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.
+
+#include "content/test/test_find_request_manager.h"
+
+#include "content/browser/web_contents/web_contents_impl.h"
+
+namespace content {
+
+TestFindRequestManager::TestFindRequestManager(WebContentsImpl* web_contents)
+    : FindRequestManager(web_contents),
+      last_request_id_(kInvalidId),
+      last_finished_request_id_(kInvalidId),
+      waiting_request_id_(kInvalidId) {}
+
+TestFindRequestManager::~TestFindRequestManager() {}
+
+void TestFindRequestManager::Find(int request_id,
+                                  const base::string16& search_text,
+                                  const blink::WebFindOptions& options) {
+  last_request_id_ = request_id;
+  FindRequestManager::Find(request_id, search_text, options);
+}
+
+void TestFindRequestManager::WaitForFinalReply() {
+  if (last_finished_request_id_ == last_request_id_)
+    return;
+
+  waiting_request_id_ = last_request_id_;
+  find_message_loop_runner_ = new content::MessageLoopRunner;
+  find_message_loop_runner_->Run();
+}
+
+TestFindRequestManager::FindResults TestFindRequestManager::GetFindResults() {
+  FindResults results;
+  results.request_id = last_finished_request_id_;
+  results.number_of_matches = number_of_matches_;
+  results.active_match_ordinal = active_match_ordinal_;
+  return results;
+}
+
+void TestFindRequestManager::NotifyFindReply(int request_id,
+                                             bool final_update) const {
+  if (final_update)
+    last_finished_request_id_ = request_id;
+
+  // If we are waiting for a final reply and this is it, stop waiting.
+  if (find_message_loop_runner_.get() &&
+      last_finished_request_id_ >= waiting_request_id_) {
+    find_message_loop_runner_->Quit();
+  }
+
+  FindRequestManager::NotifyFindReply(request_id, final_update);
+}
+
+}  // namespace content