Remove implementation of Panels on OSes other than ChromeOS.

chrome/browser/ui/panels/panel_host.cc

Index: chrome/browser/ui/panels/panel_host.cc
diff --git a/chrome/browser/ui/panels/panel_host.cc b/chrome/browser/ui/panels/panel_host.cc
deleted file mode 100644
index 66010beef25eee949e5143b6b88d44d5a7b37da3..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/panels/panel_host.cc
+++ /dev/null
@@ -1,251 +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 "chrome/browser/ui/panels/panel_host.h"
-
-#include <utility>
-
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/single_thread_task_runner.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
-#include "chrome/browser/extensions/window_controller.h"
-#include "chrome/browser/favicon/favicon_utils.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/sessions/session_tab_helper.h"
-#include "chrome/browser/ui/browser_navigator.h"
-#include "chrome/browser/ui/browser_navigator_params.h"
-#include "chrome/browser/ui/panels/panel.h"
-#include "chrome/browser/ui/prefs/prefs_tab_helper.h"
-#include "components/favicon/content/content_favicon_driver.h"
-#include "components/zoom/page_zoom.h"
-#include "components/zoom/zoom_controller.h"
-#include "content/public/browser/invalidate_type.h"
-#include "content/public/browser/navigation_controller.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/site_instance.h"
-#include "content/public/browser/user_metrics.h"
-#include "content/public/browser/web_contents.h"
-#include "extensions/browser/view_type_utils.h"
-#include "ipc/ipc_message.h"
-#include "ipc/ipc_message_macros.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/image/image.h"
-
-using base::UserMetricsAction;
-
-PanelHost::PanelHost(Panel* panel, Profile* profile)
-    : panel_(panel),
-      profile_(profile),
-      weak_factory_(this) {
-}
-
-PanelHost::~PanelHost() {
-}
-
-void PanelHost::Init(const GURL& url,
-                     content::SiteInstance* source_site_instance) {
-  if (url.is_empty())
-    return;
-
-  scoped_refptr<content::SiteInstance> instance =
-      source_site_instance ? source_site_instance->GetRelatedSiteInstance(url)
-                           : content::SiteInstance::CreateForURL(profile_, url);
-  content::WebContents::CreateParams create_params(profile_,
-                                                   std::move(instance));
-  web_contents_.reset(content::WebContents::Create(create_params));
-  extensions::SetViewType(web_contents_.get(), extensions::VIEW_TYPE_PANEL);
-  web_contents_->SetDelegate(this);
-  // web_contents_ may be passed to PageZoom::Zoom(), so it needs
-  // a ZoomController.
-  zoom::ZoomController::CreateForWebContents(web_contents_.get());
-  content::WebContentsObserver::Observe(web_contents_.get());
-
-  // Needed to give the web contents a Tab ID. Extension APIs
-  // expect web contents to have a Tab ID.
-  SessionTabHelper::CreateForWebContents(web_contents_.get());
-  SessionTabHelper::FromWebContents(web_contents_.get())->SetWindowID(
-      panel_->session_id());
-
-  favicon::CreateContentFaviconDriverForWebContents(web_contents_.get());
-  PrefsTabHelper::CreateForWebContents(web_contents_.get());
-  extensions::ChromeExtensionWebContentsObserver::CreateForWebContents(
-      web_contents_.get());
-  extensions::ExtensionWebContentsObserver::GetForWebContents(
-      web_contents_.get())->dispatcher()->set_delegate(this);
-
-  web_contents_->GetController().LoadURL(
-      url, content::Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
-}
-
-void PanelHost::DestroyWebContents() {
-  // Cannot do a web_contents_.reset() because web_contents_.get() will
-  // still return the pointer when we CHECK in WebContentsDestroyed (or if
-  // we get called back in the middle of web contents destruction, which
-  // WebView might do when it detects the web contents is destroyed).
-  content::WebContents* contents = web_contents_.release();
-  delete contents;
-}
-
-gfx::Image PanelHost::GetPageIcon() const {
-  if (!web_contents_.get())
-    return gfx::Image();
-
-  favicon::FaviconDriver* favicon_driver =
-      favicon::ContentFaviconDriver::FromWebContents(web_contents_.get());
-  CHECK(favicon_driver);
-  return favicon_driver->GetFavicon();
-}
-
-content::WebContents* PanelHost::OpenURLFromTab(
-    content::WebContents* source,
-    const content::OpenURLParams& params) {
-  // These dispositions aren't really navigations.
-  if (params.disposition == SAVE_TO_DISK || params.disposition == IGNORE_ACTION)
-    return NULL;
-
-  // Only allow clicks on links.
-  if (!ui::PageTransitionCoreTypeIs(params.transition,
-                                    ui::PAGE_TRANSITION_LINK)) {
-    return NULL;
-  }
-
-  // Force all links to open in a new tab.
-  chrome::NavigateParams navigate_params(profile_,
-                                         params.url,
-                                         params.transition);
-  switch (params.disposition) {
-    case NEW_BACKGROUND_TAB:
-    case NEW_WINDOW:
-    case OFF_THE_RECORD:
-      navigate_params.disposition = params.disposition;
-      break;
-    default:
-      navigate_params.disposition = NEW_FOREGROUND_TAB;
-      break;
-  }
-  chrome::Navigate(&navigate_params);
-  return navigate_params.target_contents;
-}
-
-void PanelHost::NavigationStateChanged(content::WebContents* source,
-                                       content::InvalidateTypes changed_flags) {
-  // Only need to update the title if the title changed while not loading,
-  // because the title is also updated when loading state changes.
-  if ((changed_flags & content::INVALIDATE_TYPE_TAB) ||
-      ((changed_flags & content::INVALIDATE_TYPE_TITLE) &&
-       !source->IsLoading()))
-    panel_->UpdateTitleBar();
-}
-
-void PanelHost::AddNewContents(content::WebContents* source,
-                               content::WebContents* new_contents,
-                               WindowOpenDisposition disposition,
-                               const gfx::Rect& initial_rect,
-                               bool user_gesture,
-                               bool* was_blocked) {
-  chrome::NavigateParams navigate_params(profile_, new_contents->GetURL(),
-                                         ui::PAGE_TRANSITION_LINK);
-  navigate_params.target_contents = new_contents;
-
-  // Force all links to open in a new tab, even if they were trying to open a
-  // window.
-  navigate_params.disposition =
-      disposition == NEW_BACKGROUND_TAB ? disposition : NEW_FOREGROUND_TAB;
-
-  navigate_params.window_bounds = initial_rect;
-  navigate_params.user_gesture = user_gesture;
-  navigate_params.extension_app_id = panel_->extension_id();
-  chrome::Navigate(&navigate_params);
-}
-
-void PanelHost::ActivateContents(content::WebContents* contents) {
-  panel_->Activate();
-}
-
-void PanelHost::LoadingStateChanged(content::WebContents* source,
-    bool to_different_document) {
-  bool is_loading = source->IsLoading() && to_different_document;
-  panel_->LoadingStateChanged(is_loading);
-}
-
-void PanelHost::CloseContents(content::WebContents* source) {
-  panel_->Close();
-}
-
-void PanelHost::MoveContents(content::WebContents* source,
-                             const gfx::Rect& pos) {
-  panel_->SetBounds(pos);
-}
-
-bool PanelHost::IsPopupOrPanel(const content::WebContents* source) const {
-  return true;
-}
-
-void PanelHost::ContentsZoomChange(bool zoom_in) {
-  Zoom(zoom_in ? content::PAGE_ZOOM_IN : content::PAGE_ZOOM_OUT);
-}
-
-void PanelHost::HandleKeyboardEvent(
-    content::WebContents* source,
-    const content::NativeWebKeyboardEvent& event) {
-  return panel_->HandleKeyboardEvent(event);
-}
-
-void PanelHost::ResizeDueToAutoResize(content::WebContents* web_contents,
-                                      const gfx::Size& new_size) {
-  panel_->OnContentsAutoResized(new_size);
-}
-
-void PanelHost::RenderProcessGone(base::TerminationStatus status) {
-  CloseContents(web_contents_.get());
-}
-
-void PanelHost::WebContentsDestroyed() {
-  // Web contents should only be destroyed by us.
-  CHECK(!web_contents_.get());
-
-  // Close the panel after we return to the message loop (not immediately,
-  // otherwise, it may destroy this object before the stack has a chance
-  // to cleanly unwind.)
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE,
-      base::Bind(&PanelHost::ClosePanel, weak_factory_.GetWeakPtr()));
-}
-
-void PanelHost::ClosePanel() {
-  panel_->Close();
-}
-
-extensions::WindowController* PanelHost::GetExtensionWindowController() const {
-  return panel_->extension_window_controller();
-}
-
-content::WebContents* PanelHost::GetAssociatedWebContents() const {
-  return web_contents_.get();
-}
-
-void PanelHost::Reload() {
-  content::RecordAction(UserMetricsAction("Reload"));
-  web_contents_->GetController().Reload(true);
-}
-
-void PanelHost::ReloadBypassingCache() {
-  content::RecordAction(UserMetricsAction("ReloadBypassingCache"));
-  web_contents_->GetController().ReloadBypassingCache(true);
-}
-
-void PanelHost::StopLoading() {
-  content::RecordAction(UserMetricsAction("Stop"));
-  web_contents_->Stop();
-}
-
-void PanelHost::Zoom(content::PageZoom zoom) {
-  zoom::PageZoom::Zoom(web_contents_.get(), zoom);
-}