Respect output_all_resource_defines when generating resource maps.

grit/node/include.py

Index: grit/node/include.py
===================================================================
--- grit/node/include.py	(revision 171)
+++ grit/node/include.py	(working copy)
@@ -113,6 +113,14 @@
          self.ToRealPath(self.GetInputPath()),
          allow_external_script=allow_external_script)
 
+  def IsResourceMapSource(self):
+    return True
+
+  def GeneratesResourceMapEntry(self, output_all_resource_defines,
+                                is_active_descendant):
+    # includes always generate resource entries.
+    return True
+
   @staticmethod
   def Construct(parent, name, type, file, translateable=True,
                 filenameonly=False, mkoutput=False, relativepath=False):