Attempt four at landing the "histogram.h removed from message_loop.h" patch.

chrome/browser/download/download_util.h

Index: chrome/browser/download/download_util.h
diff --git a/chrome/browser/download/download_util.h b/chrome/browser/download/download_util.h
index dee36003be20b127f7efef7d43e90f37b349a6bb..6ee8f8984bdc8f1830523e37500571d2e85bc3b9 100644
--- a/chrome/browser/download/download_util.h
+++ b/chrome/browser/download/download_util.h
@@ -11,7 +11,6 @@
 #include <string>
 
 #include "base/basictypes.h"
-#include "base/task.h"
 #include "gfx/native_widget_types.h"
 
 #if defined(TOOLKIT_VIEWS)
@@ -30,23 +29,6 @@ class SkBitmap;
 
 namespace download_util {
 
-// DownloadProgressTask --------------------------------------------------------
-
-// A class for managing the timed progress animations for a download view. The
-// view must implement an UpdateDownloadProgress() method.
-template<class DownloadView>
-class DownloadProgressTask : public Task {
- public:
-  explicit DownloadProgressTask(DownloadView* view) : view_(view) {}
-  virtual ~DownloadProgressTask() {}
-  virtual void Run() {
-    view_->UpdateDownloadProgress();
-  }
- private:
-  DownloadView* view_;
-  DISALLOW_COPY_AND_ASSIGN(DownloadProgressTask);
-};
-
 // Download opening ------------------------------------------------------------
 
 // Whether it is OK to open this download.