Move navigation and frame tree classes to a new frame_host/ directory.

content/browser/web_contents/interstitial_page_impl.cc

Index: content/browser/web_contents/interstitial_page_impl.cc
diff --git a/content/browser/web_contents/interstitial_page_impl.cc b/content/browser/web_contents/interstitial_page_impl.cc
deleted file mode 100644
index 44d28e187daae1661ccbafb1379103c83a8e9943..0000000000000000000000000000000000000000
--- a/content/browser/web_contents/interstitial_page_impl.cc
+++ /dev/null
@@ -1,843 +0,0 @@
-// 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 "content/browser/web_contents/interstitial_page_impl.h"
-
-#include <vector>
-
-#include "base/bind.h"
-#include "base/compiler_specific.h"
-#include "base/message_loop/message_loop.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/threading/thread.h"
-#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
-#include "content/browser/dom_storage/session_storage_namespace_impl.h"
-#include "content/browser/loader/resource_dispatcher_host_impl.h"
-#include "content/browser/renderer_host/render_process_host_impl.h"
-#include "content/browser/renderer_host/render_view_host_factory.h"
-#include "content/browser/renderer_host/render_view_host_impl.h"
-#include "content/browser/site_instance_impl.h"
-#include "content/browser/web_contents/navigation_controller_impl.h"
-#include "content/browser/web_contents/navigation_entry_impl.h"
-#include "content/browser/web_contents/web_contents_impl.h"
-#include "content/common/view_messages.h"
-#include "content/port/browser/render_view_host_delegate_view.h"
-#include "content/port/browser/render_widget_host_view_port.h"
-#include "content/port/browser/web_contents_view_port.h"
-#include "content/public/browser/browser_context.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/content_browser_client.h"
-#include "content/public/browser/dom_operation_notification_details.h"
-#include "content/public/browser/interstitial_page_delegate.h"
-#include "content/public/browser/invalidate_type.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_source.h"
-#include "content/public/browser/storage_partition.h"
-#include "content/public/browser/web_contents_delegate.h"
-#include "content/public/common/bindings_policy.h"
-#include "content/public/common/page_transition_types.h"
-#include "net/base/escape.h"
-#include "net/url_request/url_request_context_getter.h"
-
-using WebKit::WebDragOperation;
-using WebKit::WebDragOperationsMask;
-
-namespace content {
-namespace {
-
-void ResourceRequestHelper(ResourceDispatcherHostImpl* rdh,
-                           int process_id,
-                           int render_view_host_id,
-                           ResourceRequestAction action) {
-  switch (action) {
-    case BLOCK:
-      rdh->BlockRequestsForRoute(process_id, render_view_host_id);
-      break;
-    case RESUME:
-      rdh->ResumeBlockedRequestsForRoute(process_id, render_view_host_id);
-      break;
-    case CANCEL:
-      rdh->CancelBlockedRequestsForRoute(process_id, render_view_host_id);
-      break;
-    default:
-      NOTREACHED();
-  }
-}
-
-}  // namespace
-
-class InterstitialPageImpl::InterstitialPageRVHDelegateView
-  : public RenderViewHostDelegateView {
- public:
-  explicit InterstitialPageRVHDelegateView(InterstitialPageImpl* page);
-
-  // RenderViewHostDelegateView implementation:
-  virtual void ShowPopupMenu(const gfx::Rect& bounds,
-                             int item_height,
-                             double item_font_size,
-                             int selected_item,
-                             const std::vector<MenuItem>& items,
-                             bool right_aligned,
-                             bool allow_multiple_selection) OVERRIDE;
-  virtual void StartDragging(const DropData& drop_data,
-                             WebDragOperationsMask operations_allowed,
-                             const gfx::ImageSkia& image,
-                             const gfx::Vector2d& image_offset,
-                             const DragEventSourceInfo& event_info) OVERRIDE;
-  virtual void UpdateDragCursor(WebDragOperation operation) OVERRIDE;
-  virtual void GotFocus() OVERRIDE;
-  virtual void TakeFocus(bool reverse) OVERRIDE;
-  virtual void OnFindReply(int request_id,
-                           int number_of_matches,
-                           const gfx::Rect& selection_rect,
-                           int active_match_ordinal,
-                           bool final_update);
-
- private:
-  InterstitialPageImpl* interstitial_page_;
-
-  DISALLOW_COPY_AND_ASSIGN(InterstitialPageRVHDelegateView);
-};
-
-
-// We keep a map of the various blocking pages shown as the UI tests need to
-// be able to retrieve them.
-typedef std::map<WebContents*, InterstitialPageImpl*> InterstitialPageMap;
-static InterstitialPageMap* g_web_contents_to_interstitial_page;
-
-// Initializes g_web_contents_to_interstitial_page in a thread-safe manner.
-// Should be called before accessing g_web_contents_to_interstitial_page.
-static void InitInterstitialPageMap() {
-  if (!g_web_contents_to_interstitial_page)
-    g_web_contents_to_interstitial_page = new InterstitialPageMap;
-}
-
-InterstitialPage* InterstitialPage::Create(WebContents* web_contents,
-                                           bool new_navigation,
-                                           const GURL& url,
-                                           InterstitialPageDelegate* delegate) {
-  return new InterstitialPageImpl(
-      web_contents,
-      static_cast<RenderWidgetHostDelegate*>(
-          static_cast<WebContentsImpl*>(web_contents)),
-      new_navigation, url, delegate);
-}
-
-InterstitialPage* InterstitialPage::GetInterstitialPage(
-    WebContents* web_contents) {
-  InitInterstitialPageMap();
-  InterstitialPageMap::const_iterator iter =
-      g_web_contents_to_interstitial_page->find(web_contents);
-  if (iter == g_web_contents_to_interstitial_page->end())
-    return NULL;
-
-  return iter->second;
-}
-
-InterstitialPageImpl::InterstitialPageImpl(
-    WebContents* web_contents,
-    RenderWidgetHostDelegate* render_widget_host_delegate,
-    bool new_navigation,
-    const GURL& url,
-    InterstitialPageDelegate* delegate)
-    : WebContentsObserver(web_contents),
-      web_contents_(web_contents),
-      controller_(static_cast<NavigationControllerImpl*>(
-          &web_contents->GetController())),
-      render_widget_host_delegate_(render_widget_host_delegate),
-      url_(url),
-      new_navigation_(new_navigation),
-      should_discard_pending_nav_entry_(new_navigation),
-      reload_on_dont_proceed_(false),
-      enabled_(true),
-      action_taken_(NO_ACTION),
-      render_view_host_(NULL),
-      original_child_id_(web_contents->GetRenderProcessHost()->GetID()),
-      original_rvh_id_(web_contents->GetRenderViewHost()->GetRoutingID()),
-      should_revert_web_contents_title_(false),
-      web_contents_was_loading_(false),
-      resource_dispatcher_host_notified_(false),
-      rvh_delegate_view_(new InterstitialPageRVHDelegateView(this)),
-      create_view_(true),
-      delegate_(delegate),
-      weak_ptr_factory_(this) {
-  InitInterstitialPageMap();
-  // It would be inconsistent to create an interstitial with no new navigation
-  // (which is the case when the interstitial was triggered by a sub-resource on
-  // a page) when we have a pending entry (in the process of loading a new top
-  // frame).
-  DCHECK(new_navigation || !web_contents->GetController().GetPendingEntry());
-}
-
-InterstitialPageImpl::~InterstitialPageImpl() {
-}
-
-void InterstitialPageImpl::Show() {
-  if (!enabled())
-    return;
-
-  // If an interstitial is already showing or about to be shown, close it before
-  // showing the new one.
-  // Be careful not to take an action on the old interstitial more than once.
-  InterstitialPageMap::const_iterator iter =
-      g_web_contents_to_interstitial_page->find(web_contents_);
-  if (iter != g_web_contents_to_interstitial_page->end()) {
-    InterstitialPageImpl* interstitial = iter->second;
-    if (interstitial->action_taken_ != NO_ACTION) {
-      interstitial->Hide();
-    } else {
-      // If we are currently showing an interstitial page for which we created
-      // a transient entry and a new interstitial is shown as the result of a
-      // new browser initiated navigation, then that transient entry has already
-      // been discarded and a new pending navigation entry created.
-      // So we should not discard that new pending navigation entry.
-      // See http://crbug.com/9791
-      if (new_navigation_ && interstitial->new_navigation_)
-        interstitial->should_discard_pending_nav_entry_= false;
-      interstitial->DontProceed();
-    }
-  }
-
-  // Block the resource requests for the render view host while it is hidden.
-  TakeActionOnResourceDispatcher(BLOCK);
-  // We need to be notified when the RenderViewHost is destroyed so we can
-  // cancel the blocked requests.  We cannot do that on
-  // NOTIFY_WEB_CONTENTS_DESTROYED as at that point the RenderViewHost has
-  // already been destroyed.
-  notification_registrar_.Add(
-      this, NOTIFICATION_RENDER_WIDGET_HOST_DESTROYED,
-      Source<RenderWidgetHost>(controller_->delegate()->GetRenderViewHost()));
-
-  // Update the g_web_contents_to_interstitial_page map.
-  iter = g_web_contents_to_interstitial_page->find(web_contents_);
-  DCHECK(iter == g_web_contents_to_interstitial_page->end());
-  (*g_web_contents_to_interstitial_page)[web_contents_] = this;
-
-  if (new_navigation_) {
-    NavigationEntryImpl* entry = new NavigationEntryImpl;
-    entry->SetURL(url_);
-    entry->SetVirtualURL(url_);
-    entry->set_page_type(PAGE_TYPE_INTERSTITIAL);
-
-    // Give delegates a chance to set some states on the navigation entry.
-    delegate_->OverrideEntry(entry);
-
-    controller_->SetTransientEntry(entry);
-  }
-
-  DCHECK(!render_view_host_);
-  render_view_host_ = static_cast<RenderViewHostImpl*>(CreateRenderViewHost());
-  render_view_host_->AttachToFrameTree();
-  CreateWebContentsView();
-
-  std::string data_url = "data:text/html;charset=utf-8," +
-                         net::EscapePath(delegate_->GetHTMLContents());
-  render_view_host_->NavigateToURL(GURL(data_url));
-
-  notification_registrar_.Add(this, NOTIFICATION_NAV_ENTRY_PENDING,
-      Source<NavigationController>(controller_));
-  notification_registrar_.Add(
-      this, NOTIFICATION_DOM_OPERATION_RESPONSE,
-      Source<RenderViewHost>(render_view_host_));
-}
-
-void InterstitialPageImpl::Hide() {
-  // We may have already been hidden, and are just waiting to be deleted.
-  // We can't check for enabled() here, because some callers have already
-  // called Disable.
-  if (!render_view_host_)
-    return;
-
-  Disable();
-
-  RenderWidgetHostView* old_view =
-      controller_->delegate()->GetRenderViewHost()->GetView();
-  if (controller_->delegate()->GetInterstitialPage() == this &&
-      old_view &&
-      !old_view->IsShowing() &&
-      !controller_->delegate()->IsHidden()) {
-    // Show the original RVH since we're going away.  Note it might not exist if
-    // the renderer crashed while the interstitial was showing.
-    // Note that it is important that we don't call Show() if the view is
-    // already showing. That would result in bad things (unparented HWND on
-    // Windows for example) happening.
-    old_view->Show();
-  }
-
-  // If the focus was on the interstitial, let's keep it to the page.
-  // (Note that in unit-tests the RVH may not have a view).
-  if (render_view_host_->GetView() &&
-      render_view_host_->GetView()->HasFocus() &&
-      controller_->delegate()->GetRenderViewHost()->GetView()) {
-    RenderWidgetHostViewPort::FromRWHV(
-        controller_->delegate()->GetRenderViewHost()->GetView())->Focus();
-  }
-
-  // Shutdown the RVH asynchronously, as we may have been called from a RVH
-  // delegate method, and we can't delete the RVH out from under itself.
-  base::MessageLoop::current()->PostNonNestableTask(
-      FROM_HERE,
-      base::Bind(&InterstitialPageImpl::Shutdown,
-                 weak_ptr_factory_.GetWeakPtr(),
-                 render_view_host_));
-  render_view_host_ = NULL;
-  frame_tree_.SwapMainFrame(NULL);
-  controller_->delegate()->DetachInterstitialPage();
-  // Let's revert to the original title if necessary.
-  NavigationEntry* entry = controller_->GetVisibleEntry();
-  if (!new_navigation_ && should_revert_web_contents_title_) {
-    entry->SetTitle(original_web_contents_title_);
-    controller_->delegate()->NotifyNavigationStateChanged(
-        INVALIDATE_TYPE_TITLE);
-  }
-
-  InterstitialPageMap::iterator iter =
-      g_web_contents_to_interstitial_page->find(web_contents_);
-  DCHECK(iter != g_web_contents_to_interstitial_page->end());
-  if (iter != g_web_contents_to_interstitial_page->end())
-    g_web_contents_to_interstitial_page->erase(iter);
-
-  // Clear the WebContents pointer, because it may now be deleted.
-  // This signifies that we are in the process of shutting down.
-  web_contents_ = NULL;
-}
-
-void InterstitialPageImpl::Observe(
-    int type,
-    const NotificationSource& source,
-    const NotificationDetails& details) {
-  switch (type) {
-    case NOTIFICATION_NAV_ENTRY_PENDING:
-      // We are navigating away from the interstitial (the user has typed a URL
-      // in the location bar or clicked a bookmark).  Make sure clicking on the
-      // interstitial will have no effect.  Also cancel any blocked requests
-      // on the ResourceDispatcherHost.  Note that when we get this notification
-      // the RenderViewHost has not yet navigated so we'll unblock the
-      // RenderViewHost before the resource request for the new page we are
-      // navigating arrives in the ResourceDispatcherHost.  This ensures that
-      // request won't be blocked if the same RenderViewHost was used for the
-      // new navigation.
-      Disable();
-      TakeActionOnResourceDispatcher(CANCEL);
-      break;
-    case NOTIFICATION_RENDER_WIDGET_HOST_DESTROYED:
-      if (action_taken_ == NO_ACTION) {
-        // The RenderViewHost is being destroyed (as part of the tab being
-        // closed); make sure we clear the blocked requests.
-        RenderViewHost* rvh = static_cast<RenderViewHost*>(
-            static_cast<RenderViewHostImpl*>(
-                RenderWidgetHostImpl::From(
-                    Source<RenderWidgetHost>(source).ptr())));
-        DCHECK(rvh->GetProcess()->GetID() == original_child_id_ &&
-               rvh->GetRoutingID() == original_rvh_id_);
-        TakeActionOnResourceDispatcher(CANCEL);
-      }
-      break;
-    case NOTIFICATION_DOM_OPERATION_RESPONSE:
-      if (enabled()) {
-        Details<DomOperationNotificationDetails> dom_op_details(
-            details);
-        delegate_->CommandReceived(dom_op_details->json);
-      }
-      break;
-    default:
-      NOTREACHED();
-  }
-}
-
-void InterstitialPageImpl::NavigationEntryCommitted(
-    const LoadCommittedDetails& load_details) {
-  OnNavigatingAwayOrTabClosing();
-}
-
-void InterstitialPageImpl::WebContentsDestroyed(WebContents* web_contents) {
-  OnNavigatingAwayOrTabClosing();
-}
-
-RenderViewHostDelegateView* InterstitialPageImpl::GetDelegateView() {
-  return rvh_delegate_view_.get();
-}
-
-const GURL& InterstitialPageImpl::GetURL() const {
-  return url_;
-}
-
-void InterstitialPageImpl::RenderViewTerminated(
-    RenderViewHost* render_view_host,
-    base::TerminationStatus status,
-    int error_code) {
-  // Our renderer died. This should not happen in normal cases.
-  // If we haven't already started shutdown, just dismiss the interstitial.
-  // We cannot check for enabled() here, because we may have called Disable
-  // without calling Hide.
-  if (render_view_host_)
-    DontProceed();
-}
-
-void InterstitialPageImpl::DidNavigate(
-    RenderViewHost* render_view_host,
-    const ViewHostMsg_FrameNavigate_Params& params) {
-  // A fast user could have navigated away from the page that triggered the
-  // interstitial while the interstitial was loading, that would have disabled
-  // us. In that case we can dismiss ourselves.
-  if (!enabled()) {
-    DontProceed();
-    return;
-  }
-  if (PageTransitionCoreTypeIs(params.transition,
-                               PAGE_TRANSITION_AUTO_SUBFRAME)) {
-    // No need to handle navigate message from iframe in the interstitial page.
-    return;
-  }
-
-  // The RenderViewHost has loaded its contents, we can show it now.
-  if (!controller_->delegate()->IsHidden())
-    render_view_host_->GetView()->Show();
-  controller_->delegate()->AttachInterstitialPage(this);
-
-  RenderWidgetHostView* rwh_view =
-      controller_->delegate()->GetRenderViewHost()->GetView();
-
-  // The RenderViewHost may already have crashed before we even get here.
-  if (rwh_view) {
-    // If the page has focus, focus the interstitial.
-    if (rwh_view->HasFocus())
-      Focus();
-
-    // Hide the original RVH since we're showing the interstitial instead.
-    rwh_view->Hide();
-  }
-
-  // Notify the tab we are not loading so the throbber is stopped. It also
-  // causes a WebContentsObserver::DidStopLoading callback that the
-  // AutomationProvider (used by the UI tests) expects to consider a navigation
-  // as complete. Without this, navigating in a UI test to a URL that triggers
-  // an interstitial would hang.
-  web_contents_was_loading_ = controller_->delegate()->IsLoading();
-  controller_->delegate()->SetIsLoading(
-      controller_->delegate()->GetRenderViewHost(), false, NULL);
-}
-
-void InterstitialPageImpl::UpdateTitle(
-    RenderViewHost* render_view_host,
-    int32 page_id,
-    const string16& title,
-    base::i18n::TextDirection title_direction) {
-  if (!enabled())
-    return;
-
-  DCHECK(render_view_host == render_view_host_);
-  NavigationEntry* entry = controller_->GetVisibleEntry();
-  if (!entry) {
-    // Crash reports from the field indicate this can be NULL.
-    // This is unexpected as InterstitialPages constructed with the
-    // new_navigation flag set to true create a transient navigation entry
-    // (that is returned as the active entry). And the only case so far of
-    // interstitial created with that flag set to false is with the
-    // SafeBrowsingBlockingPage, when the resource triggering the interstitial
-    // is a sub-resource, meaning the main page has already been loaded and a
-    // navigation entry should have been created.
-    NOTREACHED();
-    return;
-  }
-
-  // If this interstitial is shown on an existing navigation entry, we'll need
-  // to remember its title so we can revert to it when hidden.
-  if (!new_navigation_ && !should_revert_web_contents_title_) {
-    original_web_contents_title_ = entry->GetTitle();
-    should_revert_web_contents_title_ = true;
-  }
-  // TODO(evan): make use of title_direction.
-  // http://code.google.com/p/chromium/issues/detail?id=27094
-  entry->SetTitle(title);
-  controller_->delegate()->NotifyNavigationStateChanged(INVALIDATE_TYPE_TITLE);
-}
-
-RendererPreferences InterstitialPageImpl::GetRendererPrefs(
-    BrowserContext* browser_context) const {
-  delegate_->OverrideRendererPrefs(&renderer_preferences_);
-  return renderer_preferences_;
-}
-
-WebPreferences InterstitialPageImpl::GetWebkitPrefs() {
-  if (!enabled())
-    return WebPreferences();
-
-  return render_view_host_->GetWebkitPrefs(url_);
-}
-
-void InterstitialPageImpl::RenderWidgetDeleted(
-    RenderWidgetHostImpl* render_widget_host) {
-  delete this;
-}
-
-bool InterstitialPageImpl::PreHandleKeyboardEvent(
-    const NativeWebKeyboardEvent& event,
-    bool* is_keyboard_shortcut) {
-  if (!enabled())
-    return false;
-  return render_widget_host_delegate_->PreHandleKeyboardEvent(
-      event, is_keyboard_shortcut);
-}
-
-void InterstitialPageImpl::HandleKeyboardEvent(
-      const NativeWebKeyboardEvent& event) {
-  if (enabled())
-    render_widget_host_delegate_->HandleKeyboardEvent(event);
-}
-
-#if defined(OS_WIN) && defined(USE_AURA)
-gfx::NativeViewAccessible
-InterstitialPageImpl::GetParentNativeViewAccessible() {
-  return render_widget_host_delegate_->GetParentNativeViewAccessible();
-}
-#endif
-
-WebContents* InterstitialPageImpl::web_contents() const {
-  return web_contents_;
-}
-
-RenderViewHost* InterstitialPageImpl::CreateRenderViewHost() {
-  if (!enabled())
-    return NULL;
-
-  // Interstitial pages don't want to share the session storage so we mint a
-  // new one.
-  BrowserContext* browser_context = web_contents()->GetBrowserContext();
-  scoped_refptr<SiteInstance> site_instance =
-      SiteInstance::Create(browser_context);
-  DOMStorageContextWrapper* dom_storage_context =
-      static_cast<DOMStorageContextWrapper*>(
-          BrowserContext::GetStoragePartition(
-              browser_context, site_instance.get())->GetDOMStorageContext());
-  session_storage_namespace_ =
-      new SessionStorageNamespaceImpl(dom_storage_context);
-
-  return RenderViewHostFactory::Create(site_instance.get(),
-                                       this,
-                                       this,
-                                       MSG_ROUTING_NONE,
-                                       MSG_ROUTING_NONE,
-                                       false,
-                                       false);
-}
-
-WebContentsView* InterstitialPageImpl::CreateWebContentsView() {
-  if (!enabled() || !create_view_)
-    return NULL;
-  WebContentsView* web_contents_view = web_contents()->GetView();
-  WebContentsViewPort* web_contents_view_port =
-      static_cast<WebContentsViewPort*>(web_contents_view);
-  RenderWidgetHostView* view =
-      web_contents_view_port->CreateViewForWidget(render_view_host_);
-  render_view_host_->SetView(view);
-  render_view_host_->AllowBindings(BINDINGS_POLICY_DOM_AUTOMATION);
-
-  int32 max_page_id = web_contents()->
-      GetMaxPageIDForSiteInstance(render_view_host_->GetSiteInstance());
-  render_view_host_->CreateRenderView(string16(),
-                                      MSG_ROUTING_NONE,
-                                      max_page_id);
-  controller_->delegate()->RenderViewForInterstitialPageCreated(
-      render_view_host_);
-  view->SetSize(web_contents_view->GetContainerSize());
-  // Don't show the interstitial until we have navigated to it.
-  view->Hide();
-  return web_contents_view;
-}
-
-void InterstitialPageImpl::Proceed() {
-  // Don't repeat this if we are already shutting down.  We cannot check for
-  // enabled() here, because we may have called Disable without calling Hide.
-  if (!render_view_host_)
-    return;
-
-  if (action_taken_ != NO_ACTION) {
-    NOTREACHED();
-    return;
-  }
-  Disable();
-  action_taken_ = PROCEED_ACTION;
-
-  // Resumes the throbber, if applicable.
-  if (web_contents_was_loading_)
-    controller_->delegate()->SetIsLoading(
-        controller_->delegate()->GetRenderViewHost(), true, NULL);
-
-  // If this is a new navigation, the old page is going away, so we cancel any
-  // blocked requests for it.  If it is not a new navigation, then it means the
-  // interstitial was shown as a result of a resource loading in the page.
-  // Since the user wants to proceed, we'll let any blocked request go through.
-  if (new_navigation_)
-    TakeActionOnResourceDispatcher(CANCEL);
-  else
-    TakeActionOnResourceDispatcher(RESUME);
-
-  // No need to hide if we are a new navigation, we'll get hidden when the
-  // navigation is committed.
-  if (!new_navigation_) {
-    Hide();
-    delegate_->OnProceed();
-    return;
-  }
-
-  delegate_->OnProceed();
-}
-
-void InterstitialPageImpl::DontProceed() {
-  // Don't repeat this if we are already shutting down.  We cannot check for
-  // enabled() here, because we may have called Disable without calling Hide.
-  if (!render_view_host_)
-    return;
-  DCHECK(action_taken_ != DONT_PROCEED_ACTION);
-
-  Disable();
-  action_taken_ = DONT_PROCEED_ACTION;
-
-  // If this is a new navigation, we are returning to the original page, so we
-  // resume blocked requests for it.  If it is not a new navigation, then it
-  // means the interstitial was shown as a result of a resource loading in the
-  // page and we won't return to the original page, so we cancel blocked
-  // requests in that case.
-  if (new_navigation_)
-    TakeActionOnResourceDispatcher(RESUME);
-  else
-    TakeActionOnResourceDispatcher(CANCEL);
-
-  if (should_discard_pending_nav_entry_) {
-    // Since no navigation happens we have to discard the transient entry
-    // explicitely.  Note that by calling DiscardNonCommittedEntries() we also
-    // discard the pending entry, which is what we want, since the navigation is
-    // cancelled.
-    controller_->DiscardNonCommittedEntries();
-  }
-
-  if (reload_on_dont_proceed_)
-    controller_->Reload(true);
-
-  Hide();
-  delegate_->OnDontProceed();
-}
-
-void InterstitialPageImpl::CancelForNavigation() {
-  // The user is trying to navigate away.  We should unblock the renderer and
-  // disable the interstitial, but keep it visible until the navigation
-  // completes.
-  Disable();
-  // If this interstitial was shown for a new navigation, allow any navigations
-  // on the original page to resume (e.g., subresource requests, XHRs, etc).
-  // Otherwise, cancel the pending, possibly dangerous navigations.
-  if (new_navigation_)
-    TakeActionOnResourceDispatcher(RESUME);
-  else
-    TakeActionOnResourceDispatcher(CANCEL);
-}
-
-void InterstitialPageImpl::SetSize(const gfx::Size& size) {
-  if (!enabled())
-    return;
-#if !defined(OS_MACOSX)
-  // When a tab is closed, we might be resized after our view was NULLed
-  // (typically if there was an info-bar).
-  if (render_view_host_->GetView())
-    render_view_host_->GetView()->SetSize(size);
-#else
-  // TODO(port): Does Mac need to SetSize?
-  NOTIMPLEMENTED();
-#endif
-}
-
-void InterstitialPageImpl::Focus() {
-  // Focus the native window.
-  if (!enabled())
-    return;
-  RenderWidgetHostViewPort::FromRWHV(render_view_host_->GetView())->Focus();
-}
-
-void InterstitialPageImpl::FocusThroughTabTraversal(bool reverse) {
-  if (!enabled())
-    return;
-  render_view_host_->SetInitialFocus(reverse);
-}
-
-RenderWidgetHostView* InterstitialPageImpl::GetView() {
-  return render_view_host_->GetView();
-}
-
-RenderViewHost* InterstitialPageImpl::GetRenderViewHostForTesting() const {
-  return render_view_host_;
-}
-
-#if defined(OS_ANDROID)
-RenderViewHost* InterstitialPageImpl::GetRenderViewHost() const {
-  return render_view_host_;
-}
-#endif
-
-InterstitialPageDelegate* InterstitialPageImpl::GetDelegateForTesting() {
-  return delegate_.get();
-}
-
-void InterstitialPageImpl::DontCreateViewForTesting() {
-  create_view_ = false;
-}
-
-gfx::Rect InterstitialPageImpl::GetRootWindowResizerRect() const {
-  return gfx::Rect();
-}
-
-void InterstitialPageImpl::CreateNewWindow(
-    int route_id,
-    int main_frame_route_id,
-    const ViewHostMsg_CreateWindow_Params& params,
-    SessionStorageNamespace* session_storage_namespace) {
-  NOTREACHED() << "InterstitialPage does not support showing popups yet.";
-}
-
-void InterstitialPageImpl::CreateNewWidget(int route_id,
-                                           WebKit::WebPopupType popup_type) {
-  NOTREACHED() << "InterstitialPage does not support showing drop-downs yet.";
-}
-
-void InterstitialPageImpl::CreateNewFullscreenWidget(int route_id) {
-  NOTREACHED()
-      << "InterstitialPage does not support showing full screen popups.";
-}
-
-void InterstitialPageImpl::ShowCreatedWindow(int route_id,
-                                             WindowOpenDisposition disposition,
-                                             const gfx::Rect& initial_pos,
-                                             bool user_gesture) {
-  NOTREACHED() << "InterstitialPage does not support showing popups yet.";
-}
-
-void InterstitialPageImpl::ShowCreatedWidget(int route_id,
-                                             const gfx::Rect& initial_pos) {
-  NOTREACHED() << "InterstitialPage does not support showing drop-downs yet.";
-}
-
-void InterstitialPageImpl::ShowCreatedFullscreenWidget(int route_id) {
-  NOTREACHED()
-      << "InterstitialPage does not support showing full screen popups.";
-}
-
-SessionStorageNamespace* InterstitialPageImpl::GetSessionStorageNamespace(
-    SiteInstance* instance) {
-  return session_storage_namespace_.get();
-}
-
-FrameTree* InterstitialPageImpl::GetFrameTree() {
-  return &frame_tree_;
-}
-
-void InterstitialPageImpl::Disable() {
-  enabled_ = false;
-}
-
-void InterstitialPageImpl::Shutdown(RenderViewHostImpl* render_view_host) {
-  render_view_host->Shutdown();
-  // We are deleted now.
-}
-
-void InterstitialPageImpl::OnNavigatingAwayOrTabClosing() {
-  if (action_taken_ == NO_ACTION) {
-    // We are navigating away from the interstitial or closing a tab with an
-    // interstitial.  Default to DontProceed(). We don't just call Hide as
-    // subclasses will almost certainly override DontProceed to do some work
-    // (ex: close pending connections).
-    DontProceed();
-  } else {
-    // User decided to proceed and either the navigation was committed or
-    // the tab was closed before that.
-    Hide();
-  }
-}
-
-void InterstitialPageImpl::TakeActionOnResourceDispatcher(
-    ResourceRequestAction action) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)) <<
-      "TakeActionOnResourceDispatcher should be called on the main thread.";
-
-  if (action == CANCEL || action == RESUME) {
-    if (resource_dispatcher_host_notified_)
-      return;
-    resource_dispatcher_host_notified_ = true;
-  }
-
-  // The tab might not have a render_view_host if it was closed (in which case,
-  // we have taken care of the blocked requests when processing
-  // NOTIFY_RENDER_WIDGET_HOST_DESTROYED.
-  // Also we need to test there is a ResourceDispatcherHostImpl, as when unit-
-  // tests we don't have one.
-  RenderViewHostImpl* rvh = RenderViewHostImpl::FromID(original_child_id_,
-                                                       original_rvh_id_);
-  if (!rvh || !ResourceDispatcherHostImpl::Get())
-    return;
-
-  BrowserThread::PostTask(
-      BrowserThread::IO,
-      FROM_HERE,
-      base::Bind(
-          &ResourceRequestHelper,
-          ResourceDispatcherHostImpl::Get(),
-          original_child_id_,
-          original_rvh_id_,
-          action));
-}
-
-InterstitialPageImpl::InterstitialPageRVHDelegateView::
-    InterstitialPageRVHDelegateView(InterstitialPageImpl* page)
-    : interstitial_page_(page) {
-}
-
-void InterstitialPageImpl::InterstitialPageRVHDelegateView::ShowPopupMenu(
-    const gfx::Rect& bounds,
-    int item_height,
-    double item_font_size,
-    int selected_item,
-    const std::vector<MenuItem>& items,
-    bool right_aligned,
-    bool allow_multiple_selection) {
-  NOTREACHED() << "InterstitialPage does not support showing popup menus.";
-}
-
-void InterstitialPageImpl::InterstitialPageRVHDelegateView::StartDragging(
-    const DropData& drop_data,
-    WebDragOperationsMask allowed_operations,
-    const gfx::ImageSkia& image,
-    const gfx::Vector2d& image_offset,
-    const DragEventSourceInfo& event_info) {
-  NOTREACHED() << "InterstitialPage does not support dragging yet.";
-}
-
-void InterstitialPageImpl::InterstitialPageRVHDelegateView::UpdateDragCursor(
-    WebDragOperation) {
-  NOTREACHED() << "InterstitialPage does not support dragging yet.";
-}
-
-void InterstitialPageImpl::InterstitialPageRVHDelegateView::GotFocus() {
-  WebContents* web_contents = interstitial_page_->web_contents();
-  if (web_contents && web_contents->GetDelegate())
-    web_contents->GetDelegate()->WebContentsFocused(web_contents);
-}
-
-void InterstitialPageImpl::InterstitialPageRVHDelegateView::TakeFocus(
-    bool reverse) {
-  if (!interstitial_page_->web_contents())
-    return;
-  WebContentsImpl* web_contents =
-      static_cast<WebContentsImpl*>(interstitial_page_->web_contents());
-  if (!web_contents->GetDelegateView())
-    return;
-
-  web_contents->GetDelegateView()->TakeFocus(reverse);
-}
-
-void InterstitialPageImpl::InterstitialPageRVHDelegateView::OnFindReply(
-    int request_id, int number_of_matches, const gfx::Rect& selection_rect,
-    int active_match_ordinal, bool final_update) {
-}
-
-}  // namespace content