[chromedriver] Separate stuff of chrome from chromedriver.

chrome/test/chromedriver/frame_tracker.cc

-// Copyright (c) 2013 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 "chrome/test/chromedriver/frame_tracker.h"
-
-#include <utility>
-
-#include "base/json/json_writer.h"
-#include "base/logging.h"
-#include "base/values.h"
-#include "chrome/test/chromedriver/devtools_client.h"
-#include "chrome/test/chromedriver/status.h"
-
-FrameTracker::FrameTracker(DevToolsClient* client) : client_(client) {
-  DCHECK(client_);
-  client_->AddListener(this);
-}
-
-FrameTracker::~FrameTracker() {}
-
-Status FrameTracker::GetFrameForContextId(
-    int context_id, std::string* frame_id) {
-  if (context_to_frame_map_.count(context_id) == 0)
-    return Status(kUnknownError, "execution context does not have a frame");
-  *frame_id = context_to_frame_map_[context_id];
-  return Status(kOk);
-}
-
-Status FrameTracker::GetContextIdForFrame(
-    const std::string& frame_id, int* context_id) {
-  if (frame_to_context_map_.count(frame_id) == 0)
-    return Status(kUnknownError, "frame does not have execution context");
-  *context_id = frame_to_context_map_[frame_id];
-  return Status(kOk);
-}
-
-Status FrameTracker::OnConnected() {
-  frame_to_context_map_.clear();
-  context_to_frame_map_.clear();
-  // Enable runtime events to allow tracking execution context creation.
-  base::DictionaryValue params;
-  Status status = client_->SendCommand("Runtime.enable", params);
-  if (status.IsError())
-    return status;
-  return client_->SendCommand("DOM.getDocument", params);
-}
-
-void FrameTracker::OnEvent(const std::string& method,
-                           const base::DictionaryValue& params) {
-  if (method == "Runtime.executionContextCreated") {
-    const base::DictionaryValue* context;
-    if (!params.GetDictionary("context", &context)) {
-      LOG(ERROR) << "Runtime.executionContextCreated missing dict 'context'";
-      return;
-    }
-    int context_id;
-    std::string frame_id;
-    if (!context->GetInteger("id", &context_id) ||
-        !context->GetString("frameId", &frame_id)) {
-      std::string json;
-      base::JSONWriter::Write(context, &json);
-      LOG(ERROR) << "Runtime.executionContextCreated has invalid 'context': "
-                 << json;
-      return;
-    }
-    frame_to_context_map_.insert(std::make_pair(frame_id, context_id));
-    context_to_frame_map_.insert(std::make_pair(context_id, frame_id));
-  } else if (method == "DOM.documentUpdated") {
-    frame_to_context_map_.clear();
-    context_to_frame_map_.clear();
-  }
-}