Generate the icu data binaries at compile time instead of checking in binaries

build_tools/PRESUBMIT.py

Index: build_tools/PRESUBMIT.py
diff --git a/build_tools/PRESUBMIT.py b/build_tools/PRESUBMIT.py
new file mode 100644
index 0000000000000000000000000000000000000000..4f7095ad987d76ceefb9cb515e5631b394c93b31
--- /dev/null
+++ b/build_tools/PRESUBMIT.py
@@ -0,0 +1,32 @@
+# Copyright 2014 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.
+
+"""binary_size presubmit script
+
+See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
+for more details about the presubmit API built into depot_tools.
+"""
+
+def CommonChecks(input_api, output_api):
+  output = []
+  output.extend(input_api.canned_checks.RunPylint(input_api, output_api))
+  output.extend(
+      input_api.canned_checks.RunUnitTestsInDirectory(
+          input_api, output_api,
+          input_api.PresubmitLocalPath(),
+          whitelist=[r'.+_unittest\.py$']))
+
+  if input_api.is_committing:
+    output.extend(input_api.canned_checks.PanProjectChecks(input_api,
+                                                           output_api,
+                                                           owners_check=False))
+  return output
+
+
+def CheckChangeOnUpload(input_api, output_api):
+  return CommonChecks(input_api, output_api)
+
+
+def CheckChangeOnCommit(input_api, output_api):
+  return CommonChecks(input_api, output_api)