Cleanup Cache Stored State

tools/isolate/run_test_from_archive.py

Index: tools/isolate/run_test_from_archive.py
diff --git a/tools/isolate/run_test_from_archive.py b/tools/isolate/run_test_from_archive.py
index 13ded87aa6f0b82832013369609d40c169ecc6f0..8d304e681b07df5e6e18d6c912f4776005a9fb34 100755
--- a/tools/isolate/run_test_from_archive.py
+++ b/tools/isolate/run_test_from_archive.py
@@ -175,6 +175,11 @@ class Cache(object):
 
   def trim(self):
     """Trims anything we don't know, make sure enough free space exists."""
+    # Ensure that all files listed in the state still exist.
+    for f in self.state:
+      if not os.path.exists(os.path.join(self.cache_dir, f)):
+        self.state.remove(f)
+
     for f in os.listdir(self.cache_dir):
       if f == self.STATE_FILE or f in self.state:
         continue