Rename PluginService to PluginServiceImpl.

BUG=98716
Review URL: http://codereview.chromium.org/9019004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@115279 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/content/browser/plugin_process_host.cc b/content/browser/plugin_process_host.cc
index 49894777..a695441 100644
--- a/content/browser/plugin_process_host.cc
+++ b/content/browser/plugin_process_host.cc
@@ -21,7 +21,7 @@
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
-#include "content/browser/plugin_service.h"
+#include "content/browser/plugin_service_impl.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/common/plugin_messages.h"
 #include "content/common/resource_messages.h"