Revert 85504 - Move download stuff to download tab helper.

content/browser/tab_contents/tab_contents.cc

 // Copyright (c) 2011 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/tab_contents/tab_contents.h"
 
 #include <cmath>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/stats_counters.h"
 #include "base/string16.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
+#include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/debugger/devtools_manager.h"
 #include "chrome/browser/defaults.h"
+#include "chrome/browser/download/download_request_limiter.h"
 #include "chrome/browser/external_protocol_handler.h"
 #include "chrome/browser/history/history.h"
 #include "chrome/browser/load_from_memory_cache_details.h"
 #include "chrome/browser/load_notification_details.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/plugin_observer.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 818 matching lines @@
 
   // When it's the first load, we know either the pending one or the committed
   // one will have the Web UI in it (see GetWebUIForCurrentState), and only one
   // of them will be valid, so we can just check both.
   if (render_manager_.pending_web_ui())
     return render_manager_.pending_web_ui()->force_bookmark_bar_visible();
   return (render_manager_.web_ui() == NULL) ?
       false : render_manager_.web_ui()->force_bookmark_bar_visible();
 }
 
+bool TabContents::CanDownload(int request_id) {
+  TabContentsDelegate* d = delegate();
+  if (d)
+    return d->CanDownload(request_id);
+  return true;
+}
+
+void TabContents::OnStartDownload(DownloadItem* download) {
+  DCHECK(download);
+
+  if (!delegate())
+    return;
+
+  // Download in a constrained popup is shown in the tab that opened it.
+  TabContents* tab_contents = delegate()->GetConstrainingContents(this);
+
+  if (tab_contents && tab_contents->delegate())
+    tab_contents->delegate()->OnStartDownload(download, this);
+}
+
 void TabContents::WillClose(ConstrainedWindow* window) {
   ConstrainedWindowList::iterator i(
       std::find(child_windows_.begin(), child_windows_.end(), window));
   bool removed_topmost_window = i == child_windows_.begin();
   if (i != child_windows_.end())
     child_windows_.erase(i);
   if (child_windows_.empty()) {
     BlockTabContent(false);
   } else {
     if (removed_topmost_window)
@@ skipping 1058 matching lines @@
   // Disable accelerated compositing if IOSurface's are not supported,
   // as is the case in 10.5.
   if (!IOSurfaceSupport::Initialize())
       web_prefs.accelerated_compositing_enabled = false;
 #endif
 
   return web_prefs;
 }
 
 void TabContents::OnUserGesture() {
-  // Notify observers.
-  FOR_EACH_OBSERVER(TabContentsObserver, observers_, DidGetUserGesture());
+  // See comment in RenderViewHostDelegate::OnUserGesture as to why we do this.
+  DownloadRequestLimiter* limiter =
+      g_browser_process->download_request_limiter();
+  if (limiter)
+    limiter->OnUserGesture(this);
   ExternalProtocolHandler::PermitLaunchUrl();
 }
 
 void TabContents::OnIgnoredUIEvent() {
   if (constrained_window_count()) {
     ConstrainedWindow* window = *constrained_window_begin();
     window->FocusConstrainedWindow();
   }
 }
 
@@ skipping 254 matching lines @@
 
 void TabContents::CreateViewAndSetSizeForRVH(RenderViewHost* rvh) {
   RenderWidgetHostView* rwh_view = view()->CreateViewForWidget(rvh);
   rwh_view->SetSize(view()->GetContainerSize());
 }
 
 void TabContents::OnOnlineStateChanged(bool online) {
   render_view_host()->Send(new ViewMsg_NetworkStateChanged(
       render_view_host()->routing_id(), online));
 }