Move download shelf from per-tab to per-window

chrome/browser/cocoa/browser_window_cocoa.mm

 // Copyright (c) 2009 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 "base/gfx/rect.h"
 #include "base/logging.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_utils.h"
 #include "chrome/browser/cocoa/browser_window_cocoa.h"
 #import "chrome/browser/cocoa/browser_window_controller.h"
 #import "chrome/browser/cocoa/clear_browsing_data_controller.h"
 #include "chrome/browser/browser.h"
+#include "chrome/browser/download/download_shelf.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/pref_service.h"
+#include "chrome/common/temp_scaffolding_stubs.h"
 #include "chrome/browser/profile.h"
 
 BrowserWindowCocoa::BrowserWindowCocoa(Browser* browser,
                                        BrowserWindowController* controller,
                                        NSWindow* window)
-  : window_(window), browser_(browser), controller_(controller) {
+  : window_(window),
+    browser_(browser),
+    controller_(controller),
+    download_shelf_() {
   // This pref applies to all windows, so all must watch for it.
   registrar_.Add(this, NotificationType::BOOKMARK_BAR_VISIBILITY_PREF_CHANGED,
                  NotificationService::AllSources());
 }
 
 BrowserWindowCocoa::~BrowserWindowCocoa() {
 }
 
 void BrowserWindowCocoa::Show() {
   [window_ makeKeyAndOrderFront:controller_];
@@ skipping 143 matching lines @@
 
 void BrowserWindowCocoa::ShowBookmarkManager() {
   NOTIMPLEMENTED();
 }
 
 void BrowserWindowCocoa::ShowBookmarkBubble(const GURL& url,
                                             bool already_bookmarked) {
   NOTIMPLEMENTED();
 }
 
+bool BrowserWindowCocoa::IsDownloadShelfVisible() const {
+  return download_shelf_ != NULL && download_shelf_->IsShowing();
+}
+
+DownloadShelf* BrowserWindowCocoa::GetDownloadShelf() {
+  NOTIMPLEMENTED();
+  if (!download_shelf_.get()) {
+    download_shelf_.reset(new DownloadShelfMac(browser_));
+  }
+  return download_shelf_.get();
+}
+
 void BrowserWindowCocoa::ShowReportBugDialog() {
   NOTIMPLEMENTED();
 }
 
 void BrowserWindowCocoa::ShowClearBrowsingDataDialog() {
   scoped_nsobject<ClearBrowsingDataController> controller(
       [[ClearBrowsingDataController alloc]
           initWithProfile:browser_->profile()]);
   [controller runModalDialog];
 }
@@ skipping 51 matching lines @@
       break;
   }
 }
 
 void BrowserWindowCocoa::DestroyBrowser() {
   [controller_ destroyBrowser];
 
   // at this point the controller is dead (autoreleased), so
   // make sure we don't try to reference it any more.
 }