cc: Switch to Chromium DCHECKs LOGs

cc/PRESUBMIT.py

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Top-level presubmit script for cc.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts for
 details on the presubmit API built into gcl.
 """
 
+import re
+
+CC_SOURCE_FILES=(r'^cc/.*\.(cc|h)$',)
+
+def CheckAsserts(input_api, output_api, white_list=CC_SOURCE_FILES, black_list=None):
+  black_list = tuple(black_list or input_api.DEFAULT_BLACK_LIST)
+  source_file_filter = lambda x: input_api.FilterSourceFile(x, white_list, black_list)
+
+  assert_files = []
+  notreached_files = []
+
+  for f in input_api.AffectedSourceFiles(source_file_filter):
+    contents = input_api.ReadFile(f, 'rb')
+    # WebKit ASSERT() is not allowed.
+    if re.search(r"ASSERT\(", contents):
+      assert_files.append(f.LocalPath())
+    # WebKit ASSERT_NOT_REACHED() is not allowed.
+    if re.search(r"ASSERT_NOT_REACHED\(", contents):
+      notreached_files.append(f.LocalPath())
+
+  if assert_files:
+    return [output_api.PresubmitError(
+      'These files use ASSERT instead of using DCHECK:',
+      items=assert_files)]
+  if notreached_files:
+    return [output_api.PresubmitError(
+      'These files use ASSERT_NOT_REACHED instead of using NOTREACHED:',
+      items=notreached_files)]
+  return []
+
+def CheckChangeOnUpload(input_api, output_api):
+  results = []
+  results += CheckAsserts(input_api, output_api)
+  return results
+
 def GetPreferredTrySlaves(project, change):
   return [
     'linux_layout_rel',
     ]