Delete Automation[Tab/Renderer]Helper and users.

chrome/browser/automation/automation_tab_helper.cc

-// Copyright (c) 2012 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/browser/automation/automation_tab_helper.h"
-
-#include <algorithm>
-
-#include "chrome/common/automation_messages.h"
-#include "content/public/browser/web_contents.h"
-#include "ipc/ipc_message.h"
-#include "ipc/ipc_message_macros.h"
-#include "ui/gfx/size.h"
-
-using content::WebContents;
-
-DEFINE_WEB_CONTENTS_USER_DATA_KEY(AutomationTabHelper);
-
-TabEventObserver::TabEventObserver() { }
-
-TabEventObserver::~TabEventObserver() {
-  for (size_t i = 0; i < event_sources_.size(); ++i) {
-    if (event_sources_[i])
-      event_sources_[i]->RemoveObserver(this);
-  }
-}
-
-void TabEventObserver::StartObserving(AutomationTabHelper* tab_helper) {
-  tab_helper->AddObserver(this);
-  event_sources_.push_back(tab_helper->AsWeakPtr());
-}
-
-void TabEventObserver::StopObserving(AutomationTabHelper* tab_helper) {
-  tab_helper->RemoveObserver(this);
-  EventSourceVector::iterator iter =
-      std::find(event_sources_.begin(), event_sources_.end(), tab_helper);
-  if (iter != event_sources_.end())
-    event_sources_.erase(iter);
-}
-
-AutomationTabHelper::AutomationTabHelper(WebContents* web_contents)
-    : content::WebContentsObserver(web_contents),
-      is_loading_(false) {
-}
-
-AutomationTabHelper::~AutomationTabHelper() { }
-
-void AutomationTabHelper::AddObserver(TabEventObserver* observer) {
-  observers_.AddObserver(observer);
-}
-
-void AutomationTabHelper::RemoveObserver(TabEventObserver* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-void AutomationTabHelper::SnapshotEntirePage() {
-  Send(new AutomationMsg_SnapshotEntirePage(routing_id()));
-}
-
-#if !defined(NO_TCMALLOC) && (defined(OS_LINUX) || defined(OS_CHROMEOS))
-void AutomationTabHelper::HeapProfilerDump(const std::string& reason) {
-  Send(new AutomationMsg_HeapProfilerDump(routing_id(), reason));
-}
-#endif  // !defined(NO_TCMALLOC) && (defined(OS_LINUX) || defined(OS_CHROMEOS))
-
-bool AutomationTabHelper::has_pending_loads() const {
-  return is_loading_ || !pending_client_redirects_.empty();
-}
-
-void AutomationTabHelper::DidStartLoading(
-    content::RenderViewHost* render_view_host) {
-  if (is_loading_) {
-    // DidStartLoading is often called twice. Once when the renderer sends a
-    // load start message, and once when the browser calls it directly as a
-    // result of some user-initiated navigation.
-    VLOG(1) << "Received DidStartLoading while loading already started.";
-    return;
-  }
-  bool had_pending_loads = has_pending_loads();
-  is_loading_ = true;
-  if (!had_pending_loads) {
-    FOR_EACH_OBSERVER(TabEventObserver, observers_,
-                      OnFirstPendingLoad(web_contents()));
-  }
-}
-
-void AutomationTabHelper::DidStopLoading(
-    content::RenderViewHost* render_view_host) {
-  if (!is_loading_) {
-    LOG(WARNING) << "Received DidStopLoading while loading already stopped.";
-    return;
-  }
-  is_loading_ = false;
-  if (!has_pending_loads()) {
-    FOR_EACH_OBSERVER(TabEventObserver, observers_,
-                      OnNoMorePendingLoads(web_contents()));
-  }
-}
-
-void AutomationTabHelper::RenderViewGone(base::TerminationStatus status) {
-  OnTabOrRenderViewDestroyed(web_contents());
-}
-
-void AutomationTabHelper::WebContentsDestroyed(WebContents* web_contents) {
-  OnTabOrRenderViewDestroyed(web_contents);
-}
-
-void AutomationTabHelper::OnTabOrRenderViewDestroyed(
-    WebContents* web_contents) {
-  if (has_pending_loads()) {
-    is_loading_ = false;
-    pending_client_redirects_.clear();
-    FOR_EACH_OBSERVER(TabEventObserver, observers_,
-                      OnNoMorePendingLoads(web_contents));
-  }
-}
-
-void AutomationTabHelper::OnSnapshotEntirePageACK(
-    bool success,
-    const std::vector<unsigned char>& png_data,
-    const std::string& error_msg) {
-  FOR_EACH_OBSERVER(TabEventObserver, observers_,
-                    OnSnapshotEntirePageACK(success, png_data, error_msg));
-}
-
-bool AutomationTabHelper::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  bool msg_is_good = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(AutomationTabHelper, message, msg_is_good)
-    IPC_MESSAGE_HANDLER(AutomationMsg_SnapshotEntirePageACK,
-                        OnSnapshotEntirePageACK)
-    IPC_MESSAGE_HANDLER(AutomationMsg_WillPerformClientRedirect,
-                        OnWillPerformClientRedirect)
-    IPC_MESSAGE_HANDLER(AutomationMsg_DidCompleteOrCancelClientRedirect,
-                        OnDidCompleteOrCancelClientRedirect)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
-  if (!msg_is_good) {
-    LOG(ERROR) << "Failed to deserialize an IPC message";
-  }
-  return handled;
-}
-
-void AutomationTabHelper::OnWillPerformClientRedirect(
-    int64 frame_id, double delay_seconds) {
-  // Ignore all non-zero delays.
-  // TODO(kkania): Handle timed redirects.
-  if (delay_seconds > 0) {
-    LOG(WARNING) << "Ignoring timed redirect scheduled for " << delay_seconds
-                 << " seconds later. Will not wait for the redirect to occur";
-    return;
-  }
-
-  bool first_pending_load = !has_pending_loads();
-  pending_client_redirects_.insert(frame_id);
-  if (first_pending_load) {
-    FOR_EACH_OBSERVER(TabEventObserver, observers_,
-                      OnFirstPendingLoad(web_contents()));
-  }
-}
-
-void AutomationTabHelper::OnDidCompleteOrCancelClientRedirect(int64 frame_id) {
-  std::set<int64>::iterator iter =
-      pending_client_redirects_.find(frame_id);
-  // It is possible that we did not track the redirect becasue it had a non-zero
-  // delay. See the comment in |OnWillPerformClientRedirect|.
-  if (iter != pending_client_redirects_.end()) {
-    pending_client_redirects_.erase(iter);
-    if (!has_pending_loads()) {
-      FOR_EACH_OBSERVER(TabEventObserver, observers_,
-                        OnNoMorePendingLoads(web_contents()));
-    }
-  }
-}