win_toolchain: Ignore ReportQueue entries in calculating toolchain hash

Without this, we'd cause unnecessary toolchain redownloads if vctip.exe
crashed.

R=brucedawson@chromium.org
BUG=440500

Review URL: https://codereview.chromium.org/1639623002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@298393 0039d316-1c4b-4281-b951-d872f2087c98

win_toolchain/get_toolchain_if_necessary.py

@@ -74,7 +74,9 @@ def GetFileList(root):
   file_list = []
   for base, _, files in os.walk(root):
     paths = [os.path.join(base, f) for f in files]
-    file_list.extend(x.lower() for x in paths)
+    # Ignore WER ReportQueue entries that vctip/cl leave in the bin dir if/when
+    # they crash.
+    file_list.extend(x.lower() for x in paths if 'WER\\ReportQueue' not in x)
   return sorted(file_list, key=lambda s: s.replace('/', '\\'))