Always emit original sources from scan_sources.

build/scan_sources.py

Index: build/scan_sources.py
diff --git a/build/scan_sources.py b/build/scan_sources.py
index 83f3f20db83192b2c346c2a6a8a296b6a7c0eddd..3bf2e604358d2ce84a82d01b216423c757dc229b 100755
--- a/build/scan_sources.py
+++ b/build/scan_sources.py
@@ -258,7 +258,7 @@ class WorkQueue(object):
       if added_dir:
         self.resolver.RemoveOneDirectory(scan_dir)
       scan_name = self.PopIfAvail()
-    return sorted(self.added_set)
+    return self.added_set
 
 
 def DoMain(argv):
@@ -288,7 +288,12 @@ def DoMain(argv):
   for filename in files:
     workQ.PushIfNew(filename)
 
-  sorted_list = workQ.Run()
+  sources_set = workQ.Run()
+
+  # If any of the original files requested aren't found, add them anyway.

[Nick Bray (chromium), 2014/12/12 00:24:17]

Why? Comment.

[teravest, 2014/12/12 15:03:00]

Done.

+  sources_set = sources_set.union(set(files))
+
+  sorted_list = sorted(sources_set)
   return '\n'.join(sorted_list) + '\n'