A64: Synchronize with r15545.

build/shim_headers.gypi

 # Copyright 2013 the V8 project authors. All rights reserved.
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+# This file is meant to be included into a target to handle shim headers
+# in a consistent manner. To use this the following variables need to be
+# defined:
+#   headers_root_path: string: path to directory containing headers
+#   header_filenames: list: list of header file names
 
-import xml.etree.ElementTree as xml
-
-
-class JUnitTestOutput:
-  def __init__(self, test_suite_name):
-    self.root = xml.Element("testsuite")
-    self.root.attrib["name"] = test_suite_name
-
-  def HasRunTest(self, test_name, test_duration, test_failure):
-    testCaseElement = xml.Element("testcase")
-    testCaseElement.attrib["name"] = " ".join(test_name)
-    testCaseElement.attrib["time"] = str(round(test_duration, 3))
-    if len(test_failure):
-      failureElement = xml.Element("failure")
-      failureElement.text = test_failure
-      testCaseElement.append(failureElement)
-    self.root.append(testCaseElement)
-
-  def FinishAndWrite(self, file):
-    xml.ElementTree(self.root).write(file, "UTF-8")
-
+{
+  'variables': {
+    'shim_headers_path': '<(SHARED_INTERMEDIATE_DIR)/shim_headers/<(_target_name)/<(_toolset)',
+    'shim_generator_additional_args%': [],
+  },
+  'include_dirs++': [
+    '<(shim_headers_path)',
+  ],
+  'all_dependent_settings': {
+    'include_dirs+++': [
+      '<(shim_headers_path)',
+    ],
+  },
+  'actions': [
+    {
+      'variables': {
+        'generator_path': '<(DEPTH)/tools/generate_shim_headers/generate_shim_headers.py',
+        'generator_args': [
+          '--headers-root', '<(headers_root_path)',
+          '--output-directory', '<(shim_headers_path)',
+          '<@(shim_generator_additional_args)',
+          '<@(header_filenames)',
+        ],
+      },
+      'action_name': 'generate_<(_target_name)_shim_headers',
+      'inputs': [
+        '<(generator_path)',
+      ],
+      'outputs': [
+        '<!@pymod_do_main(generate_shim_headers <@(generator_args) --outputs)',
+      ],
+      'action': ['python',
+                 '<(generator_path)',
+                 '<@(generator_args)',
+                 '--generate',
+      ],
+      'message': 'Generating <(_target_name) shim headers.',
+    },
+  ],
+}