Move renderer plugin code into a new component.

components/plugins/renderer/plugin_uma.h

Index: components/plugins/renderer/plugin_uma.h
diff --git a/chrome/renderer/plugins/plugin_uma.h b/components/plugins/renderer/plugin_uma.h
similarity index 94%
rename from chrome/renderer/plugins/plugin_uma.h
rename to components/plugins/renderer/plugin_uma.h
index 22a10f1a1911034c7215a3b7722ccb5af0d470b1..1ebe3f88878ee5744bc219ab6f1171bd2ab0c692 100644
--- a/chrome/renderer/plugins/plugin_uma.h
+++ b/components/plugins/renderer/plugin_uma.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_RENDERER_PLUGINS_PLUGIN_UMA_H_
-#define CHROME_RENDERER_PLUGINS_PLUGIN_UMA_H_
+#ifndef COMPONENTS_PLUGINS_RENDERER_PLUGIN_UMA_H_
+#define COMPONENTS_PLUGINS_RENDERER_PLUGIN_UMA_H_
 
 #include <string>
 
@@ -85,5 +85,4 @@ class PluginUMAReporter {
   DISALLOW_COPY_AND_ASSIGN(PluginUMAReporter);
 };
 
-#endif  // CHROME_RENDERER_PLUGINS_PLUGIN_UMA_H_
-
+#endif  // COMPONENTS_PLUGINS_RENDERER_PLUGIN_UMA_H_