We do not pass enums by conts references. This CL fixes style errors introduced

content/test/test_web_contents_view.cc

 // Copyright (c) 2012 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/test/test_web_contents_view.h"
 
 namespace content {
 
 TestWebContentsView::TestWebContentsView() {
 }
 
 TestWebContentsView::~TestWebContentsView() {
 }
 
 void TestWebContentsView::ShowContextMenu(
     const ContextMenuParams& params,
-    const content::ContextMenuSourceType& type) {
+    content::ContextMenuSourceType type) {
 }
 
 void TestWebContentsView::ShowPopupMenu(const gfx::Rect& bounds,
                                         int item_height,
                                         double item_font_size,
                                         int selected_item,
                                         const std::vector<WebMenuItem>& items,
                                         bool right_aligned,
                                         bool allow_multiple_selection) {
 }
@@ skipping 78 matching lines @@
 }
 
 void TestWebContentsView::CloseTabAfterEventTracking() {
 }
 
 gfx::Rect TestWebContentsView::GetViewBounds() const {
   return gfx::Rect();
 }
 
 }  // namespace content