Step 1 in getting rid of duplicate warning in make build.

webkit/tools/npapi_layout_test_plugin/npapi_layout_test_plugin.gypi

Index: webkit/tools/npapi_layout_test_plugin/npapi_layout_test_plugin.gypi
diff --git a/webkit/tools/npapi_layout_test_plugin/npapi_layout_test_plugin.gypi b/webkit/tools/npapi_layout_test_plugin/npapi_layout_test_plugin.gypi
index b329bed826e2b9f2ec9f051dd0a9e797e7478c29..3e20342146109c0c066733baf8a804c68c3dfbae 100644
--- a/webkit/tools/npapi_layout_test_plugin/npapi_layout_test_plugin.gypi
+++ b/webkit/tools/npapi_layout_test_plugin/npapi_layout_test_plugin.gypi
@@ -89,6 +89,39 @@
         }],
       ],
     },
+    {
+      'target_name': 'copy_npapi_layout_test_plugin',
+      'type': 'none',
+      'dependencies': [
+        'npapi_layout_test_plugin',
+      ],
+      'conditions': [
+        ['OS=="win"', {
+          'copies': [
+            {
+              'destination': '<(PRODUCT_DIR)/plugins',
+              'files': ['<(PRODUCT_DIR)/npapi_layout_test_plugin.dll'],
+            },
+          ],
+        }],
+        ['OS=="mac"', {
+          'copies': [
+            {
+              'destination': '<(PRODUCT_DIR)/TestShell.app/Contents/PlugIns/',
+              'files': ['<(PRODUCT_DIR)/TestNetscapePlugIn.plugin/'],
+            },
+          ]
+        }],
+        ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
+          'copies': [
+            {
+              'destination': '<(PRODUCT_DIR)/plugins',
+              'files': ['<(PRODUCT_DIR)/libnpapi_layout_test_plugin.so'],
+            },
+          ],
+        }],
+      ],
+    },
   ],
 }