Clean up plug-in placeholders:

chrome/renderer/plugins/plugin_uma_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 <gmock/gmock.h>
 #include <gtest/gtest.h>
 
-#include "chrome/renderer/plugin_uma.h"
+#include "chrome/renderer/plugins/plugin_uma.h"
 
 using ::testing::_;
 
 class MockPluginUMASender : public MissingPluginReporter::UMASender {
  public:
   MOCK_METHOD1(SendPluginUMA, void(MissingPluginReporter::PluginType));
 };
 
 TEST(PluginUMATest, WindowsMediaPlayer) {
   MockPluginUMASender* sender_mock = new MockPluginUMASender();
@@ skipping 207 matching lines @@
       GURL("http://file.aaa"));
 
   EXPECT_CALL(*sender_mock, SendPluginUMA(MissingPluginReporter::QUICKTIME))
       .Times(1)
       .RetiresOnSaturation();
   MissingPluginReporter::GetInstance()->ReportPluginMissing(
       "",
       GURL("http://file.MoV"));
 }