Browser Plugin: Move to old namespace

content/renderer/browser_plugin/old/browser_plugin.h

Index: content/renderer/browser_plugin/old/browser_plugin.h
diff --git a/content/renderer/browser_plugin/old/browser_plugin.h b/content/renderer/browser_plugin/old/browser_plugin.h
index 5c1aee98c11d65669d036b85ff25474bc2abc161..5184f511d1dc2707d85f162f151ff3679a0e2b2e 100644
--- a/content/renderer/browser_plugin/old/browser_plugin.h
+++ b/content/renderer/browser_plugin/old/browser_plugin.h
@@ -13,14 +13,16 @@
 #include "ui/gfx/size.h"
 #include "webkit/plugins/webview_plugin.h"
 
-namespace content {
-class RenderView;
-}
-
 namespace WebKit {
 class WebPlugin;
 }
 
+namespace content {
+
+class RenderView;
+
+namespace old {
+
 // A browser plugin is a plugin container that hosts an out-of-process "guest"
 // RenderView. Loading up a new process, creating a new RenderView, navigating
 // to a given URL, and establishing a guest-to-embedder channel can take
@@ -86,4 +88,7 @@ class BrowserPlugin {
   DISALLOW_COPY_AND_ASSIGN(BrowserPlugin);
 };
 
+}  // namespace old
+}  // namespace content
+
 #endif  // CONTENT_RENDERER_BROWSER_PLUGIN_OLD_BROWSER_PLUGIN_H_