Const-ify DownloadStatusUpdaterDelegate methods.

content/browser/download/download_status_updater_unittest.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 "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/browser/download/download_status_updater.h"
 #include "content/browser/download/download_status_updater_delegate.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 12 matching lines @@
       updater_->AddDelegate(this);
   }
 
   ~MockDelegate() {
     EXPECT_TRUE(updater_);
     if (updater_)
       updater_->RemoveDelegate(this);
   }
 
   // Overriden from DownloadStatusUpdaterDelegate:
-  virtual bool IsDownloadProgressKnown() {
+  virtual bool IsDownloadProgressKnown() const OVERRIDE {
     return is_download_progress_known_;
   }
 
-  virtual int64 GetInProgressDownloadCount() {
+  virtual int64 GetInProgressDownloadCount() const OVERRIDE {
     return in_progress_download_count_;
   }
 
-  virtual int64 GetReceivedDownloadBytes() {
+  virtual int64 GetReceivedDownloadBytes() const OVERRIDE {
     return received_bytes_;
   }
 
-  virtual int64 GetTotalDownloadBytes() {
+  virtual int64 GetTotalDownloadBytes() const OVERRIDE {
     return total_bytes_;
   }
 
   void set_is_download_progress_known(bool progress_known) {
     is_download_progress_known_ = progress_known;
   }
 
   void set_in_progress_download_count(int64 download_count) {
     in_progress_download_count_ = download_count;
   }
@@ skipping 107 matching lines @@
   delegate1.reset();
 
   {
     float progress = -1;
     int download_count = -1;
     EXPECT_TRUE(updater_.GetProgress(&progress, &download_count));
     EXPECT_FLOAT_EQ(static_cast<float>(1) / 3, progress);
     EXPECT_EQ(2, download_count);
   }
 }