Remove duplicated function in RenderView.

components/test_runner/test_runner.cc

 // Copyright 2014 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 "components/test_runner/test_runner.h"
 
 #include <stddef.h>
 #include <limits>
 #include <utility>
 
@@ skipping 1705 matching lines @@
       }
       callback.Run(bitmap);
       return;
     }
 
     callback.Run(drag_image_.getSkBitmap());
     return;
   }
 
   test_runner::DumpPixelsAsync(web_view, layout_test_runtime_flags_,
-                               delegate_->GetDeviceScaleFactorForTest(),
-                               callback);
+                               delegate_->GetDeviceScaleFactor(), callback);
 }
 
 void TestRunner::ReplicateLayoutTestRuntimeFlagsChanges(
     const base::DictionaryValue& changed_values) {
   if (test_is_running_)
     layout_test_runtime_flags_.tracked_dictionary().ApplyUntrackedChanges(
         changed_values);
 }
 
 bool TestRunner::HasCustomTextDump(std::string* custom_text_dump) const {
@@ skipping 996 matching lines @@
 
 void TestRunner::NotifyDone() {
   if (layout_test_runtime_flags_.wait_until_done() && !topLoadingFrame() &&
       work_queue_.is_empty())
     delegate_->TestFinished();
   layout_test_runtime_flags_.set_wait_until_done(false);
   OnLayoutTestRuntimeFlagsChanged();
 }
 
 }  // namespace test_runner