Revert of Move core web_view code to extensions.

extensions/browser/guest_view/web_view/web_view_guest.cc

Index: extensions/browser/guest_view/web_view/web_view_guest.cc
diff --git a/extensions/browser/guest_view/web_view/web_view_guest.cc b/extensions/browser/guest_view/web_view/web_view_guest.cc
deleted file mode 100644
index 5eaf6b40ea3f59bc4a03bde02ad1f9494da2a887..0000000000000000000000000000000000000000
--- a/extensions/browser/guest_view/web_view/web_view_guest.cc
+++ /dev/null
@@ -1,1105 +0,0 @@
-// 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.
-
-#include "extensions/browser/guest_view/web_view/web_view_guest.h"
-
-#include "base/message_loop/message_loop.h"
-#include "base/strings/stringprintf.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/extensions/api/web_view/web_view_internal_api.h"
-#include "content/public/browser/browser_context.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/child_process_security_policy.h"
-#include "content/public/browser/native_web_keyboard_event.h"
-#include "content/public/browser/navigation_entry.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_source.h"
-#include "content/public/browser/notification_types.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/resource_request_details.h"
-#include "content/public/browser/site_instance.h"
-#include "content/public/browser/storage_partition.h"
-#include "content/public/browser/user_metrics.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_delegate.h"
-#include "content/public/common/media_stream_request.h"
-#include "content/public/common/page_zoom.h"
-#include "content/public/common/result_codes.h"
-#include "content/public/common/stop_find_action.h"
-#include "content/public/common/url_constants.h"
-#include "extensions/browser/api/extensions_api_client.h"
-#include "extensions/browser/extension_system.h"
-#include "extensions/browser/guest_view/guest_view_constants.h"
-#include "extensions/browser/guest_view/guest_view_manager.h"
-#include "extensions/browser/guest_view/web_view/web_view_constants.h"
-#include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
-#include "extensions/browser/guest_view/web_view/web_view_permission_types.h"
-#include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
-#include "extensions/common/constants.h"
-#include "extensions/common/extension_messages.h"
-#include "ipc/ipc_message_macros.h"
-#include "net/base/escape.h"
-#include "net/base/net_errors.h"
-#include "ui/base/models/simple_menu_model.h"
-
-using base::UserMetricsAction;
-using content::RenderFrameHost;
-using content::ResourceType;
-using content::WebContents;
-
-namespace extensions {
-
-namespace {
-
-std::string WindowOpenDispositionToString(
-  WindowOpenDisposition window_open_disposition) {
-  switch (window_open_disposition) {
-    case IGNORE_ACTION:
-      return "ignore";
-    case SAVE_TO_DISK:
-      return "save_to_disk";
-    case CURRENT_TAB:
-      return "current_tab";
-    case NEW_BACKGROUND_TAB:
-      return "new_background_tab";
-    case NEW_FOREGROUND_TAB:
-      return "new_foreground_tab";
-    case NEW_WINDOW:
-      return "new_window";
-    case NEW_POPUP:
-      return "new_popup";
-    default:
-      NOTREACHED() << "Unknown Window Open Disposition";
-      return "ignore";
-  }
-}
-
-static std::string TerminationStatusToString(base::TerminationStatus status) {
-  switch (status) {
-    case base::TERMINATION_STATUS_NORMAL_TERMINATION:
-      return "normal";
-    case base::TERMINATION_STATUS_ABNORMAL_TERMINATION:
-    case base::TERMINATION_STATUS_STILL_RUNNING:
-      return "abnormal";
-    case base::TERMINATION_STATUS_PROCESS_WAS_KILLED:
-      return "killed";
-    case base::TERMINATION_STATUS_PROCESS_CRASHED:
-      return "crashed";
-    case base::TERMINATION_STATUS_MAX_ENUM:
-      break;
-  }
-  NOTREACHED() << "Unknown Termination Status.";
-  return "unknown";
-}
-
-std::string GetStoragePartitionIdFromSiteURL(const GURL& site_url) {
-  const std::string& partition_id = site_url.query();
-  bool persist_storage = site_url.path().find("persist") != std::string::npos;
-  return (persist_storage ? webview::kPersistPrefix : "") + partition_id;
-}
-
-void ParsePartitionParam(const base::DictionaryValue& create_params,
-                         std::string* storage_partition_id,
-                         bool* persist_storage) {
-  std::string partition_str;
-  if (!create_params.GetString(webview::kStoragePartitionId, &partition_str)) {
-    return;
-  }
-
-  // Since the "persist:" prefix is in ASCII, StartsWith will work fine on
-  // UTF-8 encoded |partition_id|. If the prefix is a match, we can safely
-  // remove the prefix without splicing in the middle of a multi-byte codepoint.
-  // We can use the rest of the string as UTF-8 encoded one.
-  if (StartsWithASCII(partition_str, "persist:", true)) {
-    size_t index = partition_str.find(":");
-    CHECK(index != std::string::npos);
-    // It is safe to do index + 1, since we tested for the full prefix above.
-    *storage_partition_id = partition_str.substr(index + 1);
-
-    if (storage_partition_id->empty()) {
-      // TODO(lazyboy): Better way to deal with this error.
-      return;
-    }
-    *persist_storage = true;
-  } else {
-    *storage_partition_id = partition_str;
-    *persist_storage = false;
-  }
-}
-
-}  // namespace
-
-// static
-GuestViewBase* WebViewGuest::Create(content::BrowserContext* browser_context,
-                                    int guest_instance_id) {
-  return new WebViewGuest(browser_context, guest_instance_id);
-}
-
-// static
-bool WebViewGuest::GetGuestPartitionConfigForSite(
-    const GURL& site,
-    std::string* partition_domain,
-    std::string* partition_name,
-    bool* in_memory) {
-  if (!site.SchemeIs(content::kGuestScheme))
-    return false;
-
-  // Since guest URLs are only used for packaged apps, there must be an app
-  // id in the URL.
-  CHECK(site.has_host());
-  *partition_domain = site.host();
-  // Since persistence is optional, the path must either be empty or the
-  // literal string.
-  *in_memory = (site.path() != "/persist");
-  // The partition name is user supplied value, which we have encoded when the
-  // URL was created, so it needs to be decoded.
-  *partition_name =
-      net::UnescapeURLComponent(site.query(), net::UnescapeRule::NORMAL);
-  return true;
-}
-
-// static
-const char WebViewGuest::Type[] = "webview";
-
-// static
-int WebViewGuest::GetViewInstanceId(WebContents* contents) {
-  WebViewGuest* guest = FromWebContents(contents);
-  if (!guest)
-    return guestview::kInstanceIDNone;
-
-  return guest->view_instance_id();
-}
-
-const char* WebViewGuest::GetAPINamespace() {
-  return webview::kAPINamespace;
-}
-
-void WebViewGuest::CreateWebContents(
-    const std::string& embedder_extension_id,
-    int embedder_render_process_id,
-    const base::DictionaryValue& create_params,
-    const WebContentsCreatedCallback& callback) {
-  content::RenderProcessHost* embedder_render_process_host =
-      content::RenderProcessHost::FromID(embedder_render_process_id);
-  std::string storage_partition_id;
-  bool persist_storage = false;
-  std::string storage_partition_string;
-  ParsePartitionParam(create_params, &storage_partition_id, &persist_storage);
-  // Validate that the partition id coming from the renderer is valid UTF-8,
-  // since we depend on this in other parts of the code, such as FilePath
-  // creation. If the validation fails, treat it as a bad message and kill the
-  // renderer process.
-  if (!base::IsStringUTF8(storage_partition_id)) {
-    content::RecordAction(
-        base::UserMetricsAction("BadMessageTerminate_BPGM"));
-    base::KillProcess(
-        embedder_render_process_host->GetHandle(),
-        content::RESULT_CODE_KILLED_BAD_MESSAGE, false);
-    callback.Run(NULL);
-    return;
-  }
-  std::string url_encoded_partition = net::EscapeQueryParamValue(
-      storage_partition_id, false);
-  // The SiteInstance of a given webview tag is based on the fact that it's
-  // a guest process in addition to which platform application the tag
-  // belongs to and what storage partition is in use, rather than the URL
-  // that the tag is being navigated to.
-  GURL guest_site(base::StringPrintf("%s://%s/%s?%s",
-                                     content::kGuestScheme,
-                                     embedder_extension_id.c_str(),
-                                     persist_storage ? "persist" : "",
-                                     url_encoded_partition.c_str()));
-
-  // If we already have a webview tag in the same app using the same storage
-  // partition, we should use the same SiteInstance so the existing tag and
-  // the new tag can script each other.
-  GuestViewManager* guest_view_manager =
-      GuestViewManager::FromBrowserContext(
-          embedder_render_process_host->GetBrowserContext());
-  content::SiteInstance* guest_site_instance =
-      guest_view_manager->GetGuestSiteInstance(guest_site);
-  if (!guest_site_instance) {
-    // Create the SiteInstance in a new BrowsingInstance, which will ensure
-    // that webview tags are also not allowed to send messages across
-    // different partitions.
-    guest_site_instance = content::SiteInstance::CreateForURL(
-        embedder_render_process_host->GetBrowserContext(), guest_site);
-  }
-  WebContents::CreateParams params(
-      embedder_render_process_host->GetBrowserContext(),
-      guest_site_instance);
-  params.guest_delegate = this;
-  callback.Run(WebContents::Create(params));
-}
-
-void WebViewGuest::DidAttachToEmbedder() {
-  SetUpAutoSize();
-
-  std::string name;
-  if (attach_params()->GetString(webview::kName, &name)) {
-    // If the guest window's name is empty, then the WebView tag's name is
-    // assigned. Otherwise, the guest window's name takes precedence over the
-    // WebView tag's name.
-    if (name_.empty())
-      name_ = name;
-  }
-  ReportFrameNameChange(name_);
-
-  std::string user_agent_override;
-  if (attach_params()->GetString(webview::kParameterUserAgentOverride,
-                                 &user_agent_override)) {
-    SetUserAgentOverride(user_agent_override);
-  } else {
-    SetUserAgentOverride("");
-  }
-
-  std::string src;
-  if (attach_params()->GetString("src", &src) && !src.empty())
-    NavigateGuest(src);
-
-  if (GetOpener()) {
-    // We need to do a navigation here if the target URL has changed between
-    // the time the WebContents was created and the time it was attached.
-    // We also need to do an initial navigation if a RenderView was never
-    // created for the new window in cases where there is no referrer.
-    PendingWindowMap::iterator it =
-        GetOpener()->pending_new_windows_.find(this);
-    if (it != GetOpener()->pending_new_windows_.end()) {
-      const NewWindowInfo& new_window_info = it->second;
-      if (new_window_info.changed || !guest_web_contents()->HasOpener())
-        NavigateGuest(new_window_info.url.spec());
-    } else {
-      NOTREACHED();
-    }
-
-    // Once a new guest is attached to the DOM of the embedder page, then the
-    // lifetime of the new guest is no longer managed by the opener guest.
-    GetOpener()->pending_new_windows_.erase(this);
-  }
-}
-
-void WebViewGuest::DidInitialize() {
-  script_executor_.reset(
-      new ScriptExecutor(guest_web_contents(), &script_observers_));
-
-  notification_registrar_.Add(
-      this, content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
-      content::Source<WebContents>(guest_web_contents()));
-
-  notification_registrar_.Add(
-      this, content::NOTIFICATION_RESOURCE_RECEIVED_REDIRECT,
-      content::Source<WebContents>(guest_web_contents()));
-
-  if (web_view_guest_delegate_)
-    web_view_guest_delegate_->OnDidInitialize();
-  AttachWebViewHelpers(guest_web_contents());
-}
-
-void WebViewGuest::AttachWebViewHelpers(WebContents* contents) {
-  if (web_view_guest_delegate_)
-    web_view_guest_delegate_->OnAttachWebViewHelpers(contents);
-  web_view_permission_helper_.reset(new WebViewPermissionHelper(this));
-}
-
-void WebViewGuest::DidStopLoading() {
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventLoadStop, args.Pass()));
-}
-
-void WebViewGuest::EmbedderDestroyed() {
-  if (web_view_guest_delegate_)
-    web_view_guest_delegate_->OnEmbedderDestroyed();
-}
-
-void WebViewGuest::GuestDestroyed() {
-  // Clean up custom context menu items for this guest.
-  if (web_view_guest_delegate_)
-    web_view_guest_delegate_->OnGuestDestroyed();
-  RemoveWebViewStateFromIOThread(web_contents());
-}
-
-void WebViewGuest::GuestReady() {
-  // The guest RenderView should always live in an isolated guest process.
-  CHECK(guest_web_contents()->GetRenderProcessHost()->IsIsolatedGuest());
-  Send(new ExtensionMsg_SetFrameName(
-      guest_web_contents()->GetRoutingID(), name_));
-}
-
-void WebViewGuest::GuestSizeChangedDueToAutoSize(const gfx::Size& old_size,
-                                                 const gfx::Size& new_size) {
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  args->SetInteger(webview::kOldHeight, old_size.height());
-  args->SetInteger(webview::kOldWidth, old_size.width());
-  args->SetInteger(webview::kNewHeight, new_size.height());
-  args->SetInteger(webview::kNewWidth, new_size.width());
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventSizeChanged, args.Pass()));
-}
-
-bool WebViewGuest::IsAutoSizeSupported() const {
-  return true;
-}
-
-bool WebViewGuest::IsDragAndDropEnabled() const {
-  return true;
-}
-
-void WebViewGuest::WillDestroy() {
-  if (!attached() && GetOpener())
-    GetOpener()->pending_new_windows_.erase(this);
-  DestroyUnattachedWindows();
-}
-
-bool WebViewGuest::AddMessageToConsole(WebContents* source,
-                                       int32 level,
-                                       const base::string16& message,
-                                       int32 line_no,
-                                       const base::string16& source_id) {
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  // Log levels are from base/logging.h: LogSeverity.
-  args->SetInteger(webview::kLevel, level);
-  args->SetString(webview::kMessage, message);
-  args->SetInteger(webview::kLine, line_no);
-  args->SetString(webview::kSourceId, source_id);
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventConsoleMessage, args.Pass()));
-  return true;
-}
-
-void WebViewGuest::CloseContents(WebContents* source) {
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventClose, args.Pass()));
-}
-
-void WebViewGuest::FindReply(WebContents* source,
-                             int request_id,
-                             int number_of_matches,
-                             const gfx::Rect& selection_rect,
-                             int active_match_ordinal,
-                             bool final_update) {
-  find_helper_.FindReply(request_id, number_of_matches, selection_rect,
-                         active_match_ordinal, final_update);
-}
-
-bool WebViewGuest::HandleContextMenu(
-    const content::ContextMenuParams& params) {
-  if (!web_view_guest_delegate_)
-    return false;
-  return web_view_guest_delegate_->HandleContextMenu(params);
-}
-
-void WebViewGuest::HandleKeyboardEvent(
-    WebContents* source,
-    const content::NativeWebKeyboardEvent& event) {
-  if (!attached())
-    return;
-
-  if (HandleKeyboardShortcuts(event))
-    return;
-
-  // Send the unhandled keyboard events back to the embedder to reprocess them.
-  // TODO(fsamuel): This introduces the possibility of out-of-order keyboard
-  // events because the guest may be arbitrarily delayed when responding to
-  // keyboard events. In that time, the embedder may have received and processed
-  // additional key events. This needs to be fixed as soon as possible.
-  // See http://crbug.com/229882.
-  embedder_web_contents()->GetDelegate()->HandleKeyboardEvent(
-      web_contents(), event);
-}
-
-void WebViewGuest::LoadProgressChanged(content::WebContents* source,
-                                       double progress) {
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  args->SetString(guestview::kUrl, guest_web_contents()->GetURL().spec());
-  args->SetDouble(webview::kProgress, progress);
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventLoadProgress, args.Pass()));
-}
-
-void WebViewGuest::LoadAbort(bool is_top_level,
-                             const GURL& url,
-                             const std::string& error_type) {
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  args->SetBoolean(guestview::kIsTopLevel, is_top_level);
-  args->SetString(guestview::kUrl, url.possibly_invalid_spec());
-  args->SetString(guestview::kReason, error_type);
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventLoadAbort, args.Pass()));
-}
-
-void WebViewGuest::OnFrameNameChanged(bool is_top_level,
-                                      const std::string& name) {
-  if (!is_top_level)
-    return;
-
-  if (name_ == name)
-    return;
-
-  ReportFrameNameChange(name);
-}
-
-void WebViewGuest::CreateNewGuestWebViewWindow(
-    const content::OpenURLParams& params) {
-  GuestViewManager* guest_manager =
-      GuestViewManager::FromBrowserContext(browser_context());
-  // Set the attach params to use the same partition as the opener.
-  // We pull the partition information from the site's URL, which is of the
-  // form guest://site/{persist}?{partition_name}.
-  const GURL& site_url = guest_web_contents()->GetSiteInstance()->GetSiteURL();
-  const std::string storage_partition_id =
-      GetStoragePartitionIdFromSiteURL(site_url);
-  base::DictionaryValue create_params;
-  create_params.SetString(webview::kStoragePartitionId, storage_partition_id);
-
-  guest_manager->CreateGuest(WebViewGuest::Type,
-                             embedder_extension_id(),
-                             embedder_web_contents(),
-                             create_params,
-                             base::Bind(&WebViewGuest::NewGuestWebViewCallback,
-                                        base::Unretained(this),
-                                        params));
-}
-
-void WebViewGuest::NewGuestWebViewCallback(
-    const content::OpenURLParams& params,
-    content::WebContents* guest_web_contents) {
-  WebViewGuest* new_guest = WebViewGuest::FromWebContents(guest_web_contents);
-  new_guest->SetOpener(this);
-
-  // Take ownership of |new_guest|.
-  pending_new_windows_.insert(
-      std::make_pair(new_guest, NewWindowInfo(params.url, std::string())));
-
-  // Request permission to show the new window.
-  RequestNewWindowPermission(params.disposition, gfx::Rect(),
-                             params.user_gesture,
-                             new_guest->guest_web_contents());
-}
-
-// TODO(fsamuel): Find a reliable way to test the 'responsive' and
-// 'unresponsive' events.
-void WebViewGuest::RendererResponsive(content::WebContents* source) {
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  args->SetInteger(webview::kProcessId,
-      guest_web_contents()->GetRenderProcessHost()->GetID());
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventResponsive, args.Pass()));
-}
-
-void WebViewGuest::RendererUnresponsive(content::WebContents* source) {
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  args->SetInteger(webview::kProcessId,
-      guest_web_contents()->GetRenderProcessHost()->GetID());
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventUnresponsive, args.Pass()));
-}
-
-void WebViewGuest::Observe(int type,
-                           const content::NotificationSource& source,
-                           const content::NotificationDetails& details) {
-  switch (type) {
-    case content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME: {
-      DCHECK_EQ(content::Source<WebContents>(source).ptr(),
-                guest_web_contents());
-      if (content::Source<WebContents>(source).ptr() == guest_web_contents())
-        LoadHandlerCalled();
-      break;
-    }
-    case content::NOTIFICATION_RESOURCE_RECEIVED_REDIRECT: {
-      DCHECK_EQ(content::Source<WebContents>(source).ptr(),
-                guest_web_contents());
-      content::ResourceRedirectDetails* resource_redirect_details =
-          content::Details<content::ResourceRedirectDetails>(details).ptr();
-      bool is_top_level = resource_redirect_details->resource_type ==
-                          content::RESOURCE_TYPE_MAIN_FRAME;
-      LoadRedirect(resource_redirect_details->url,
-                   resource_redirect_details->new_url,
-                   is_top_level);
-      break;
-    }
-    default:
-      NOTREACHED() << "Unexpected notification sent.";
-      break;
-  }
-}
-
-double WebViewGuest::GetZoom() {
-  if (!web_view_guest_delegate_)
-    return 1.0;
-  return web_view_guest_delegate_->GetZoom();
-}
-
-void WebViewGuest::Find(
-    const base::string16& search_text,
-    const blink::WebFindOptions& options,
-    scoped_refptr<WebViewInternalFindFunction> find_function) {
-  find_helper_.Find(guest_web_contents(), search_text, options, find_function);
-}
-
-void WebViewGuest::StopFinding(content::StopFindAction action) {
-  find_helper_.CancelAllFindSessions();
-  guest_web_contents()->StopFinding(action);
-}
-
-void WebViewGuest::Go(int relative_index) {
-  guest_web_contents()->GetController().GoToOffset(relative_index);
-}
-
-void WebViewGuest::Reload() {
-  // TODO(fsamuel): Don't check for repost because we don't want to show
-  // Chromium's repost warning. We might want to implement a separate API
-  // for registering a callback if a repost is about to happen.
-  guest_web_contents()->GetController().Reload(false);
-}
-
-void WebViewGuest::SetUserAgentOverride(
-    const std::string& user_agent_override) {
-  if (!attached())
-    return;
-  is_overriding_user_agent_ = !user_agent_override.empty();
-  if (is_overriding_user_agent_) {
-    content::RecordAction(UserMetricsAction("WebView.Guest.OverrideUA"));
-  }
-  guest_web_contents()->SetUserAgentOverride(user_agent_override);
-}
-
-void WebViewGuest::Stop() {
-  guest_web_contents()->Stop();
-}
-
-void WebViewGuest::Terminate() {
-  content::RecordAction(UserMetricsAction("WebView.Guest.Terminate"));
-  base::ProcessHandle process_handle =
-      guest_web_contents()->GetRenderProcessHost()->GetHandle();
-  if (process_handle)
-    base::KillProcess(process_handle, content::RESULT_CODE_KILLED, false);
-}
-
-bool WebViewGuest::ClearData(const base::Time remove_since,
-                             uint32 removal_mask,
-                             const base::Closure& callback) {
-  content::RecordAction(UserMetricsAction("WebView.Guest.ClearData"));
-  content::StoragePartition* partition =
-      content::BrowserContext::GetStoragePartition(
-          guest_web_contents()->GetBrowserContext(),
-          guest_web_contents()->GetSiteInstance());
-
-  if (!partition)
-    return false;
-
-  partition->ClearData(
-      removal_mask,
-      content::StoragePartition::QUOTA_MANAGED_STORAGE_MASK_ALL,
-      GURL(),
-      content::StoragePartition::OriginMatcherFunction(),
-      remove_since,
-      base::Time::Now(),
-      callback);
-  return true;
-}
-
-WebViewGuest::WebViewGuest(content::BrowserContext* browser_context,
-                           int guest_instance_id)
-    : GuestView<WebViewGuest>(browser_context, guest_instance_id),
-      is_overriding_user_agent_(false),
-      find_helper_(this),
-      javascript_dialog_helper_(this) {
-  web_view_guest_delegate_.reset(
-      ExtensionsAPIClient::Get()->CreateWebViewGuestDelegate(this));
-}
-
-WebViewGuest::~WebViewGuest() {
-}
-
-void WebViewGuest::DidCommitProvisionalLoadForFrame(
-    content::RenderFrameHost* render_frame_host,
-    const GURL& url,
-    content::PageTransition transition_type) {
-  find_helper_.CancelAllFindSessions();
-
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  args->SetString(guestview::kUrl, url.spec());
-  args->SetBoolean(guestview::kIsTopLevel, !render_frame_host->GetParent());
-  args->SetInteger(webview::kInternalCurrentEntryIndex,
-      guest_web_contents()->GetController().GetCurrentEntryIndex());
-  args->SetInteger(webview::kInternalEntryCount,
-      guest_web_contents()->GetController().GetEntryCount());
-  args->SetInteger(webview::kInternalProcessId,
-      guest_web_contents()->GetRenderProcessHost()->GetID());
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventLoadCommit, args.Pass()));
-  if (web_view_guest_delegate_) {
-    web_view_guest_delegate_->OnDidCommitProvisionalLoadForFrame(
-        !render_frame_host->GetParent());
-  }
-}
-
-void WebViewGuest::DidFailProvisionalLoad(
-    content::RenderFrameHost* render_frame_host,
-    const GURL& validated_url,
-    int error_code,
-    const base::string16& error_description) {
-  LoadAbort(!render_frame_host->GetParent(), validated_url,
-            net::ErrorToShortString(error_code));
-}
-
-void WebViewGuest::DidStartProvisionalLoadForFrame(
-    content::RenderFrameHost* render_frame_host,
-    const GURL& validated_url,
-    bool is_error_page,
-    bool is_iframe_srcdoc) {
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  args->SetString(guestview::kUrl, validated_url.spec());
-  args->SetBoolean(guestview::kIsTopLevel, !render_frame_host->GetParent());
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventLoadStart, args.Pass()));
-}
-
-void WebViewGuest::DocumentLoadedInFrame(
-    content::RenderFrameHost* render_frame_host) {
-  if (web_view_guest_delegate_)
-    web_view_guest_delegate_->OnDocumentLoadedInFrame(render_frame_host);
-}
-
-bool WebViewGuest::OnMessageReceived(const IPC::Message& message,
-                                     RenderFrameHost* render_frame_host) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(WebViewGuest, message)
-    IPC_MESSAGE_HANDLER(ExtensionHostMsg_FrameNameChanged, OnFrameNameChanged)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void WebViewGuest::RenderProcessGone(base::TerminationStatus status) {
-  // Cancel all find sessions in progress.
-  find_helper_.CancelAllFindSessions();
-
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  args->SetInteger(webview::kProcessId,
-                   guest_web_contents()->GetRenderProcessHost()->GetID());
-  args->SetString(webview::kReason, TerminationStatusToString(status));
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventExit, args.Pass()));
-}
-
-void WebViewGuest::UserAgentOverrideSet(const std::string& user_agent) {
-  if (!attached())
-    return;
-  content::NavigationController& controller =
-      guest_web_contents()->GetController();
-  content::NavigationEntry* entry = controller.GetVisibleEntry();
-  if (!entry)
-    return;
-  entry->SetIsOverridingUserAgent(!user_agent.empty());
-  guest_web_contents()->GetController().Reload(false);
-}
-
-void WebViewGuest::ReportFrameNameChange(const std::string& name) {
-  name_ = name;
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  args->SetString(webview::kName, name);
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventFrameNameChanged, args.Pass()));
-}
-
-void WebViewGuest::LoadHandlerCalled() {
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventContentLoad, args.Pass()));
-}
-
-void WebViewGuest::LoadRedirect(const GURL& old_url,
-                                const GURL& new_url,
-                                bool is_top_level) {
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  args->SetBoolean(guestview::kIsTopLevel, is_top_level);
-  args->SetString(webview::kNewURL, new_url.spec());
-  args->SetString(webview::kOldURL, old_url.spec());
-  DispatchEventToEmbedder(
-      new GuestViewBase::Event(webview::kEventLoadRedirect, args.Pass()));
-}
-
-void WebViewGuest::PushWebViewStateToIOThread() {
-  const GURL& site_url = guest_web_contents()->GetSiteInstance()->GetSiteURL();
-  std::string partition_domain;
-  std::string partition_id;
-  bool in_memory;
-  if (!GetGuestPartitionConfigForSite(
-          site_url, &partition_domain, &partition_id, &in_memory)) {
-    NOTREACHED();
-    return;
-  }
-  DCHECK(embedder_extension_id() == partition_domain);
-
-  WebViewRendererState::WebViewInfo web_view_info;
-  web_view_info.embedder_process_id = embedder_render_process_id();
-  web_view_info.instance_id = view_instance_id();
-  web_view_info.partition_id = partition_id;
-  web_view_info.embedder_extension_id = embedder_extension_id();
-
-  content::BrowserThread::PostTask(
-      content::BrowserThread::IO,
-      FROM_HERE,
-      base::Bind(&WebViewRendererState::AddGuest,
-                 base::Unretained(WebViewRendererState::GetInstance()),
-                 guest_web_contents()->GetRenderProcessHost()->GetID(),
-                 guest_web_contents()->GetRoutingID(),
-                 web_view_info));
-}
-
-// static
-void WebViewGuest::RemoveWebViewStateFromIOThread(
-    WebContents* web_contents) {
-  content::BrowserThread::PostTask(
-      content::BrowserThread::IO, FROM_HERE,
-      base::Bind(
-          &WebViewRendererState::RemoveGuest,
-          base::Unretained(WebViewRendererState::GetInstance()),
-          web_contents->GetRenderProcessHost()->GetID(),
-          web_contents->GetRoutingID()));
-}
-
-content::WebContents* WebViewGuest::CreateNewGuestWindow(
-    const content::WebContents::CreateParams& create_params) {
-  GuestViewManager* guest_manager =
-      GuestViewManager::FromBrowserContext(browser_context());
-  return guest_manager->CreateGuestWithWebContentsParams(
-      WebViewGuest::Type,
-      embedder_extension_id(),
-      embedder_web_contents()->GetRenderProcessHost()->GetID(),
-      create_params);
-}
-
-void WebViewGuest::RequestMediaAccessPermission(
-    content::WebContents* source,
-    const content::MediaStreamRequest& request,
-    const content::MediaResponseCallback& callback) {
-  web_view_permission_helper_->RequestMediaAccessPermission(source,
-                                                            request,
-                                                            callback);
-}
-
-void WebViewGuest::CanDownload(
-    content::RenderViewHost* render_view_host,
-    const GURL& url,
-    const std::string& request_method,
-    const base::Callback<void(bool)>& callback) {
-  web_view_permission_helper_->CanDownload(render_view_host,
-                                           url,
-                                           request_method,
-                                           callback);
-}
-
-void WebViewGuest::RequestPointerLockPermission(
-    bool user_gesture,
-    bool last_unlocked_by_target,
-    const base::Callback<void(bool)>& callback) {
-  web_view_permission_helper_->RequestPointerLockPermission(
-      user_gesture,
-      last_unlocked_by_target,
-      callback);
-}
-
-void WebViewGuest::WillAttachToEmbedder() {
-  // We must install the mapping from guests to WebViews prior to resuming
-  // suspended resource loads so that the WebRequest API will catch resource
-  // requests.
-  PushWebViewStateToIOThread();
-}
-
-content::JavaScriptDialogManager*
-    WebViewGuest::GetJavaScriptDialogManager() {
-  return &javascript_dialog_helper_;
-}
-
-content::ColorChooser* WebViewGuest::OpenColorChooser(
-    WebContents* web_contents,
-    SkColor color,
-    const std::vector<content::ColorSuggestion>& suggestions) {
-  if (!attached() || !embedder_web_contents()->GetDelegate())
-    return NULL;
-  return embedder_web_contents()->GetDelegate()->OpenColorChooser(
-      web_contents, color, suggestions);
-}
-
-void WebViewGuest::RunFileChooser(WebContents* web_contents,
-                                  const content::FileChooserParams& params) {
-  if (!attached() || !embedder_web_contents()->GetDelegate())
-    return;
-
-  embedder_web_contents()->GetDelegate()->RunFileChooser(web_contents, params);
-}
-
-void WebViewGuest::NavigateGuest(const std::string& src) {
-  GURL url = ResolveURL(src);
-
-  // Do not allow navigating a guest to schemes other than known safe schemes.
-  // This will block the embedder trying to load unwanted schemes, e.g.
-  // chrome://settings.
-  bool scheme_is_blocked =
-      (!content::ChildProcessSecurityPolicy::GetInstance()->IsWebSafeScheme(
-           url.scheme()) &&
-       !url.SchemeIs(url::kAboutScheme)) ||
-      url.SchemeIs(url::kJavaScriptScheme);
-  if (scheme_is_blocked || !url.is_valid()) {
-    LoadAbort(true /* is_top_level */, url,
-              net::ErrorToShortString(net::ERR_ABORTED));
-    return;
-  }
-
-  GURL validated_url(url);
-  guest_web_contents()->GetRenderProcessHost()->
-      FilterURL(false, &validated_url);
-  // As guests do not swap processes on navigation, only navigations to
-  // normal web URLs are supported.  No protocol handlers are installed for
-  // other schemes (e.g., WebUI or extensions), and no permissions or bindings
-  // can be granted to the guest process.
-  LoadURLWithParams(validated_url,
-                    content::Referrer(),
-                    content::PAGE_TRANSITION_AUTO_TOPLEVEL,
-                    guest_web_contents());
-}
-
-bool WebViewGuest::HandleKeyboardShortcuts(
-    const content::NativeWebKeyboardEvent& event) {
-  if (event.type != blink::WebInputEvent::RawKeyDown)
-    return false;
-
-  // If the user hits the escape key without any modifiers then unlock the
-  // mouse if necessary.
-  if ((event.windowsKeyCode == ui::VKEY_ESCAPE) &&
-      !(event.modifiers & blink::WebInputEvent::InputModifiers)) {
-    return guest_web_contents()->GotResponseToLockMouseRequest(false);
-  }
-
-#if defined(OS_MACOSX)
-  if (event.modifiers != blink::WebInputEvent::MetaKey)
-    return false;
-
-  if (event.windowsKeyCode == ui::VKEY_OEM_4) {
-    Go(-1);
-    return true;
-  }
-
-  if (event.windowsKeyCode == ui::VKEY_OEM_6) {
-    Go(1);
-    return true;
-  }
-#else
-  if (event.windowsKeyCode == ui::VKEY_BROWSER_BACK) {
-    Go(-1);
-    return true;
-  }
-
-  if (event.windowsKeyCode == ui::VKEY_BROWSER_FORWARD) {
-    Go(1);
-    return true;
-  }
-#endif
-
-  return false;
-}
-
-void WebViewGuest::SetUpAutoSize() {
-  // Read the autosize parameters passed in from the embedder.
-  bool auto_size_enabled = false;
-  attach_params()->GetBoolean(webview::kAttributeAutoSize, &auto_size_enabled);
-
-  int max_height = 0;
-  int max_width = 0;
-  attach_params()->GetInteger(webview::kAttributeMaxHeight, &max_height);
-  attach_params()->GetInteger(webview::kAttributeMaxWidth, &max_width);
-
-  int min_height = 0;
-  int min_width = 0;
-  attach_params()->GetInteger(webview::kAttributeMinHeight, &min_height);
-  attach_params()->GetInteger(webview::kAttributeMinWidth, &min_width);
-
-  // Call SetAutoSize to apply all the appropriate validation and clipping of
-  // values.
-  SetAutoSize(auto_size_enabled,
-              gfx::Size(min_width, min_height),
-              gfx::Size(max_width, max_height));
-}
-
-void WebViewGuest::ShowContextMenu(
-    int request_id,
-    const WebViewGuestDelegate::MenuItemVector* items) {
-  if (web_view_guest_delegate_)
-    web_view_guest_delegate_->OnShowContextMenu(request_id, items);
-}
-
-void WebViewGuest::SetName(const std::string& name) {
-  if (name_ == name)
-    return;
-  name_ = name;
-
-  Send(new ExtensionMsg_SetFrameName(routing_id(), name_));
-}
-
-void WebViewGuest::SetZoom(double zoom_factor) {
-  if (web_view_guest_delegate_)
-    web_view_guest_delegate_->OnSetZoom(zoom_factor);
-}
-
-void WebViewGuest::AddNewContents(content::WebContents* source,
-                                  content::WebContents* new_contents,
-                                  WindowOpenDisposition disposition,
-                                  const gfx::Rect& initial_pos,
-                                  bool user_gesture,
-                                  bool* was_blocked) {
-  if (was_blocked)
-    *was_blocked = false;
-  RequestNewWindowPermission(disposition,
-                             initial_pos,
-                             user_gesture,
-                             new_contents);
-}
-
-content::WebContents* WebViewGuest::OpenURLFromTab(
-    content::WebContents* source,
-    const content::OpenURLParams& params) {
-  // If the guest wishes to navigate away prior to attachment then we save the
-  // navigation to perform upon attachment. Navigation initializes a lot of
-  // state that assumes an embedder exists, such as RenderWidgetHostViewGuest.
-  // Navigation also resumes resource loading which we don't want to allow
-  // until attachment.
-  if (!attached()) {
-    WebViewGuest* opener = GetOpener();
-    PendingWindowMap::iterator it =
-        opener->pending_new_windows_.find(this);
-    if (it == opener->pending_new_windows_.end())
-      return NULL;
-    const NewWindowInfo& info = it->second;
-    NewWindowInfo new_window_info(params.url, info.name);
-    new_window_info.changed = new_window_info.url != info.url;
-    it->second = new_window_info;
-    return NULL;
-  }
-  if (params.disposition == CURRENT_TAB) {
-    // This can happen for cross-site redirects.
-    LoadURLWithParams(params.url, params.referrer, params.transition, source);
-    return source;
-  }
-
-  CreateNewGuestWebViewWindow(params);
-  return NULL;
-}
-
-void WebViewGuest::WebContentsCreated(WebContents* source_contents,
-                                      int opener_render_frame_id,
-                                      const base::string16& frame_name,
-                                      const GURL& target_url,
-                                      content::WebContents* new_contents) {
-  WebViewGuest* guest = WebViewGuest::FromWebContents(new_contents);
-  CHECK(guest);
-  guest->SetOpener(this);
-  std::string guest_name = base::UTF16ToUTF8(frame_name);
-  guest->name_ = guest_name;
-  pending_new_windows_.insert(
-      std::make_pair(guest, NewWindowInfo(target_url, guest_name)));
-}
-
-void WebViewGuest::LoadURLWithParams(const GURL& url,
-                                     const content::Referrer& referrer,
-                                     content::PageTransition transition_type,
-                                     content::WebContents* web_contents) {
-  content::NavigationController::LoadURLParams load_url_params(url);
-  load_url_params.referrer = referrer;
-  load_url_params.transition_type = transition_type;
-  load_url_params.extra_headers = std::string();
-  if (is_overriding_user_agent_) {
-    load_url_params.override_user_agent =
-        content::NavigationController::UA_OVERRIDE_TRUE;
-  }
-  web_contents->GetController().LoadURLWithParams(load_url_params);
-}
-
-void WebViewGuest::RequestNewWindowPermission(
-    WindowOpenDisposition disposition,
-    const gfx::Rect& initial_bounds,
-    bool user_gesture,
-    content::WebContents* new_contents) {
-  WebViewGuest* guest = WebViewGuest::FromWebContents(new_contents);
-  if (!guest)
-    return;
-  PendingWindowMap::iterator it = pending_new_windows_.find(guest);
-  if (it == pending_new_windows_.end())
-    return;
-  const NewWindowInfo& new_window_info = it->second;
-
-  // Retrieve the opener partition info if we have it.
-  const GURL& site_url = new_contents->GetSiteInstance()->GetSiteURL();
-  std::string storage_partition_id = GetStoragePartitionIdFromSiteURL(site_url);
-
-  base::DictionaryValue request_info;
-  request_info.SetInteger(webview::kInitialHeight, initial_bounds.height());
-  request_info.SetInteger(webview::kInitialWidth, initial_bounds.width());
-  request_info.Set(webview::kTargetURL,
-                   new base::StringValue(new_window_info.url.spec()));
-  request_info.Set(webview::kName, new base::StringValue(new_window_info.name));
-  request_info.SetInteger(webview::kWindowID, guest->guest_instance_id());
-  // We pass in partition info so that window-s created through newwindow
-  // API can use it to set their partition attribute.
-  request_info.Set(webview::kStoragePartitionId,
-                   new base::StringValue(storage_partition_id));
-  request_info.Set(
-      webview::kWindowOpenDisposition,
-      new base::StringValue(WindowOpenDispositionToString(disposition)));
-
-  web_view_permission_helper_->
-      RequestPermission(WEB_VIEW_PERMISSION_TYPE_NEW_WINDOW,
-                        request_info,
-                        base::Bind(&WebViewGuest::OnWebViewNewWindowResponse,
-                                   base::Unretained(this),
-                                   guest->guest_instance_id()),
-                                   false /* allowed_by_default */);
-}
-
-void WebViewGuest::DestroyUnattachedWindows() {
-  // Destroy() reaches in and removes the WebViewGuest from its opener's
-  // pending_new_windows_ set. To avoid mutating the set while iterating, we
-  // create a copy of the pending new windows set and iterate over the copy.
-  PendingWindowMap pending_new_windows(pending_new_windows_);
-  // Clean up unattached new windows opened by this guest.
-  for (PendingWindowMap::const_iterator it = pending_new_windows.begin();
-       it != pending_new_windows.end(); ++it) {
-    it->first->Destroy();
-  }
-  // All pending windows should be removed from the set after Destroy() is
-  // called on all of them.
-  DCHECK(pending_new_windows_.empty());
-}
-
-GURL WebViewGuest::ResolveURL(const std::string& src) {
-  if (!in_extension()) {
-    NOTREACHED();
-    return GURL(src);
-  }
-
-  GURL default_url(base::StringPrintf("%s://%s/",
-                                      kExtensionScheme,
-                                      embedder_extension_id().c_str()));
-  return default_url.Resolve(src);
-}
-
-void WebViewGuest::OnWebViewNewWindowResponse(
-    int new_window_instance_id,
-    bool allow,
-    const std::string& user_input) {
-  WebViewGuest* guest =
-      WebViewGuest::From(embedder_render_process_id(), new_window_instance_id);
-  if (!guest)
-    return;
-
-  if (!allow)
-    guest->Destroy();
-}
-
-}  // namespace extensions