Add password store interface....

build/linux/system.gyp

Index: build/linux/system.gyp
===================================================================
--- build/linux/system.gyp	(revision 16487)
+++ build/linux/system.gyp	(working copy)
@@ -140,5 +140,39 @@
         ],
       },
     },
+    {
+      'target_name': 'gnome-keyring',
+      'type': 'settings',
+      'direct_dependent_settings': {
+        'cflags': [
+          '<!@(pkg-config --cflags gnome-keyring-1)',
+        ],
+      },
+      'link_settings': {
+        'ldflags': [
+          '<!@(pkg-config --libs-only-L --libs-only-other gnome-keyring-1)',
+        ],
+        'libraries': [
+          '<!@(pkg-config --libs-only-l gnome-keyring-1)',
+        ],
+      },
+    },
+    {
+      'target_name': 'dbus-glib',
+      'type': 'settings',
+      'direct_dependent_settings': {
+        'cflags': [
+          '<!@(pkg-config --cflags dbus-glib-1)',
+        ],
+      },
+      'link_settings': {
+        'ldflags': [
+          '<!@(pkg-config --libs-only-L --libs-only-other dbus-glib-1)',
+        ],
+        'libraries': [
+          '<!@(pkg-config --libs-only-l dbus-glib-1)',
+        ],
+      },
+    },
   ],
 }