Respect output_all_resource_defines when generating resource maps.

grit/node/base.py

Index: grit/node/base.py
===================================================================
--- grit/node/base.py	(revision 171)
+++ grit/node/base.py	(working copy)
@@ -590,7 +590,22 @@
     '''Whether we need to expand variables on a given node.'''
     return False
 
+  def IsResourceMapSource(self):
+    '''Whether this node is a resource map source.'''
+    return False
 
+  def GeneratesResourceMapEntry(self, output_all_resource_defines,
+                                is_active_descendant):
+    '''Whether this node should output a resource map entry.
+
+    Args:
+      output_all_resource_defines: The value of output_all_resource_defines for
+                                   the root node.
+      is_active_descendant: Whether the current node is an active descendant
+                            from the root node.'''
+    return False
+
+
 class ContentNode(Node):
   '''Convenience baseclass for nodes that can have content.'''
   def _ContentType(self):