Revert 85504 - Move download stuff to download tab helper.

chrome/browser/instant/instant_loader.cc

Index: chrome/browser/instant/instant_loader.cc
===================================================================
--- chrome/browser/instant/instant_loader.cc	(revision 85514)
+++ chrome/browser/instant/instant_loader.cc	(working copy)
@@ -21,8 +21,6 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/ui/blocked_content/blocked_content_tab_helper.h"
-#include "chrome/browser/ui/download/download_tab_helper.h"
-#include "chrome/browser/ui/download/download_tab_helper_delegate.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/render_messages.h"
@@ -144,8 +142,7 @@
 class InstantLoader::TabContentsDelegateImpl
     : public TabContentsDelegate,
       public NotificationObserver,
-      public TabContentsObserver,
-      public DownloadTabHelperDelegate {
+      public TabContentsObserver {
  public:
   explicit TabContentsDelegateImpl(InstantLoader* loader);
 
@@ -211,6 +208,7 @@
   // instant result when the drag ends, so that during the drag the page won't
   // move around.
   virtual void DragEnded() OVERRIDE;
+  virtual bool CanDownload(int request_id) OVERRIDE;
   virtual void HandleMouseUp() OVERRIDE;
   virtual void HandleMouseActivate() OVERRIDE;
   virtual bool OnGoToEntryOffset(int offset) OVERRIDE;
@@ -222,11 +220,6 @@
   // TabContentsObserver:
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
-  // DownloadTabHelperDelegate:
-  virtual bool CanDownload(int request_id) OVERRIDE;
-  virtual void OnStartDownload(DownloadItem* download,
-                               TabContentsWrapper* tab) OVERRIDE;
-
  private:
   typedef std::vector<scoped_refptr<history::HistoryAddPageArgs> >
       AddPageVector;
@@ -518,6 +511,11 @@
   CommitFromMouseReleaseIfNecessary();
 }
 
+bool InstantLoader::TabContentsDelegateImpl::CanDownload(int request_id) {
+  // Downloads are disabled.
+  return false;
+}
+
 void InstantLoader::TabContentsDelegateImpl::HandleMouseUp() {
   CommitFromMouseReleaseIfNecessary();
 }
@@ -562,16 +560,6 @@
   return handled;
 }
 
-bool InstantLoader::TabContentsDelegateImpl::CanDownload(int request_id) {
-  // Downloads are disabled.
-  return false;
-}
-
-void InstantLoader::TabContentsDelegateImpl::OnStartDownload(
-    DownloadItem* download, TabContentsWrapper* tab) {
-  // Downloads are disabled.
-}
-
 void InstantLoader::TabContentsDelegateImpl::OnSetSuggestions(
     int32 page_id,
     const std::vector<std::string>& suggestions,
@@ -822,7 +810,6 @@
 #endif
     }
     preview_contents_->tab_contents()->set_delegate(NULL);
-    preview_contents_->download_tab_helper()->set_delegate(NULL);
     ready_ = false;
   }
   update_bounds_timer_.Stop();
@@ -985,7 +972,7 @@
   if (preview_contents_.get() && is_showing_instant() &&
       (force_if_waiting || !is_waiting_for_load())) {
     last_omnibox_bounds_ = omnibox_bounds_;
-    RenderViewHost* host = preview_contents_->render_view_host();
+    RenderViewHost*host = preview_contents_->render_view_host();
     host->Send(new ViewMsg_SearchBoxResize(
         host->routing_id(), GetOmniboxBoundsInTermsOfPreview()));
   }
@@ -1006,8 +993,6 @@
 
   preview_tab_contents_delegate_.reset(new TabContentsDelegateImpl(this));
   new_contents->set_delegate(preview_tab_contents_delegate_.get());
-  preview_contents_->download_tab_helper()->set_delegate(
-      preview_tab_contents_delegate_.get());
 
   gfx::Rect tab_bounds;
   tab_contents->view()->GetContainerBounds(&tab_bounds);