Move NPAPI implementation out of webkit/plugins/npapi and into content.

content/child/npapi/plugin_instance_mac.mm

Index: content/child/npapi/plugin_instance_mac.mm
===================================================================
--- content/child/npapi/plugin_instance_mac.mm	(revision 0)
+++ content/child/npapi/plugin_instance_mac.mm	(working copy)
@@ -6,7 +6,7 @@
 
 #include "base/logging.h"
 #include "build/build_config.h"
-#include "webkit/plugins/npapi/plugin_instance.h"
+#include "content/child/npapi/plugin_instance.h"
 
 // When C++ exceptions are disabled, the C++ library defines |try| and
 // |catch| so as to allow exception-expecting C++ code to build properly when
@@ -17,8 +17,7 @@
 #undef try
 #undef catch
 
-namespace webkit {
-namespace npapi {
+namespace content {
 
 namespace {
 
@@ -104,5 +103,4 @@
   instance_->set_currently_handled_event(NULL);
 }
 
-}  // namespace npapi
-}  // namespace webkit
+}  // namespace content