supersize: Track symbol aliases and shared symbols

tools/binary_size/libsupersize/testdata/mock_toolchain/mock_cppfilt.py

Index: tools/binary_size/libsupersize/testdata/mock_toolchain/mock_cppfilt.py
diff --git a/tools/binary_size/libsupersize/testdata/mock_toolchain/mock_cppfilt.py b/tools/binary_size/libsupersize/testdata/mock_toolchain/mock_cppfilt.py
new file mode 100644
index 0000000000000000000000000000000000000000..e7448a9cae79825028927c2a52d70623d12f48c4
--- /dev/null
+++ b/tools/binary_size/libsupersize/testdata/mock_toolchain/mock_cppfilt.py
@@ -0,0 +1,44 @@
+# Copyright 2017 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.
+
+import sys
+
+
+_MAPPINGS = {
+    '_ZL18extFromUUseMappingaji': (
+        'extFromUUseMapping(signed char, unsigned int, int)'),
+    '_ZL18extFromUUseMapping2aji': 'extFromUUseMapping(aj, int)',
+    '_ZL18ucnv_extMatchFromUPKiiPKtiS2_iPjaa': (
+        'ucnv_extMatchFromU(int const*, int, unsigned short const*, int, unsign'
+        'ed short const*, int, unsigned int*, signed char, signed char)'),
+    '_ZN12_GLOBAL__N_1L37kAnimationFrameTimeHistogramClassPathE': (
+        '(anonymous namespace)::kAnimationFrameTimeHistogramClassPath'),
+    '_ZN12_GLOBAL__N_1L20kSystemClassPrefixesE': (
+        '(anonymous namespace)::kSystemClassPrefixes'),
+    '_ZL35kMethodsAnimationFrameTimeHistogram': (
+        'kMethodsAnimationFrameTimeHistogram'),
+    '_ZN4base7androidL22kBaseRegisteredMethodsE': (
+        'base::android::kBaseRegisteredMethods'),
+    '_ZN4base7android12_GLOBAL__N_125g_renderer_histogram_codeE': (
+        'base::android::(anonymous namespace)::g_renderer_histogram_code'),
+    '_ZN4base7android12_GLOBAL__N_124g_library_version_numberE': (
+        'base::android::(anonymous namespace)::g_library_version_number'),
+    ('_ZZL13SaveHistogramP7_JNIEnvRKN4base7android12JavaParamRefIP8_jobjectEERK'
+     'NS3_IP8_jstringEERKNS3_IP11_jlongArrayEEiE24atomic_histogram_pointer'): (
+         'SaveHistogram(_JNIEnv*, base::android::JavaParamRef<_jobject*> const&'
+         ', base::android::JavaParamRef<_jstring*> const&, base::android::JavaP'
+         'aramRef<_jlongArray*> const&, int)::atomic_histogram_pointer'),
+    '_ZN12_GLOBAL__N_135g_AnimationFrameTimeHistogram_clazzE': (
+        '(anonymous namespace)::g_AnimationFrameTimeHistogram_clazz'),
+}
+
+
+def main():
+  for line in sys.stdin:
+    sys.stdout.write(_MAPPINGS[line.rstrip()])
+    sys.stdout.write('\n')
+
+
+if __name__ == '__main__':
+  main()