supersize: Track symbol aliases and shared symbols

tools/binary_size/libsupersize/testdata/test.map

 Archive member included because of file (symbol)
 
 obj/chrome/browser/libbrowser.a(about_flags.o)
                               --whole-archive
 
 Allocating common symbols
 Common symbol       size              file
 
 ff_cos_131072       0x40000           obj/third_party/ffmpeg/libffmpeg_internal.a(fft_float.o)
 ff_cos_131072_fixed
@@ skipping 70 matching lines @@
                 0x0028d948       0x1c obj/base/base/page_allocator.o
  .text._ZL18extFromUUseMappingaji
                 0xffffffffffffffff       0x26 obj/base/base/page_allocator.o
  .text._ZL18extFromUUseMapping2aji
                 0xffffffffffffffff       0x20 obj/base/base/page_allocator.o
  .text._ZL18ucnv_extMatchFromUPKiiPKtiS2_iPjaa
                 0x0028f000      0x1c0 obj/third_party/icu/icuuc/ucnv_ext.o
  .text.startup._GLOBAL__sub_I_SkDeviceProfile.cpp
                 0x0028f1c8       0x14 obj/third_party/icu/icuuc/ucnv_ext.o
  .text.unlikely.foo_bar
-                0x0028f1e0       0x14 obj/third_party/icu/icuuc/ucnv_ext.o
+                0x0028f1e0       0x10e00 obj/third_party/icu/icuuc/ucnv_ext.o
  .text._ZN5blink23ContiguousContainerBase11shrinkToFitEv
                 0x002a0000       0x10 obj/third_party/WebKit.a(PaintChunker.o)
                 0x002a0001                blink::ContiguousContainerBase::shrinkToFit()
  .text._ZN5blink23ContiguousContainerBase11shrinkToFitEv2
                 0x002a0010       0xc obj/third_party/WebKit.a(PaintChunker.o)
                 0x002a0011                blink::ContiguousContainerBase::shrinkToFit() [clone .part.1234] [clone .isra.2]
  .text._ZN5blink23ContiguousContainerBaseC2EOS0_
                 0xffffffffffffffff       0x18 obj/third_party/WebKit.a(ContiguousContainer.o)
                 0x002a0021                blink::ContiguousContainerBase::ContiguousContainerBase(blink::ContiguousContainerBase&&)
                 0x002a0021                blink::ContiguousContainerBase::ContiguousContainerBase(blink::ContiguousContainerBase&&)
@@ skipping 27 matching lines @@
                 0x028f3480       0x4 obj/third_party/WebKit.a(PaintChunker.o)
                 0x028f3480                blink::(anonymous namespace)::CSSValueKeywordsHash::findValueImpl(char const*, unsigned int)::value_word_list
 
 .data.rel.ro.local
                 0x02c176f0    0xc0e08
  .data.rel.ro.local._ZTV18ChromeMainDelegate
                 0x02c176f0       0x38 obj/third_party/icu/icuuc/ucnv_ext.o
                 0x02c176f0                vtable for ChromeMainDelegate
  .data.rel.ro.local._ZTVN6chrome5mojom34FieldTrialRecorderRequestValidatorE
                 0x02c17728       0x18 obj/third_party/icu/icuuc/ucnv_ext.o
-                0x02c17728                vtable for chrome::mojom::FieldTrialRecorderRequestValidator
+                0x02c17728                vtable for chrome::mojom::FieldTrialRecorder
  .data.rel.ro.local._ZTVN6chrome5mojom23FieldTrialRecorderProxyE
-                0x02c17740       0x18 obj/third_party/WebKit.a(ContiguousContainer.o)
+                0x02c17740       0xc0d90 obj/third_party/WebKit.a(ContiguousContainer.o)
                 0x02c17740                vtable for chrome::mojom::FieldTrialRecorderProxy
  .data.rel.ro.local..Lswitch.table.45
                 0x02cd84e0       0x10 ../../third_party/gvr-android-sdk/libgvr_shim_static_arm.a(libcontroller_api_impl.a_controller_api_impl.o)
  .data.rel.ro.local._ZN12_GLOBAL__N_1L20kSystemClassPrefixesE
                 0x02cd84f0        0x8 ../../third_party/gvr-android-sdk/libgvr_shim_static_arm.a(libport_android_jni.a_jni_utils.o)
 
 .data.rel.ro    0x02cd8500   0x104108
  .data.rel.ro._ZTV25ChromeMainDelegateAndroid
                 0x02cd8500       0x38 obj/third_party/WebKit.a(PaintChunker.o)
                 0x02cd8500                vtable for ChromeMainDelegateAndroid
@@ skipping 37 matching lines @@
 .bss            0x02dffda0   0x13d7e8
  .bss.g_chrome_content_browser_client
                 0x02dffda0       0x1c obj/third_party/icu/icuuc/ucnv_ext.o
                 0x02dffda0                g_chrome_content_browser_client
  .bss._ZZL13SaveHistogramP7_JNIEnvRKN4base7android12JavaParamRefIP8_jobjectEERKNS3_IP8_jstringEERKNS3_IP11_jlongArrayEEiE24atomic_histogram_pointer
                 0x02dffe80        0x4 obj/third_party/icu/icuuc/ucnv_ext.o
  .bss._ZN12_GLOBAL__N_135g_AnimationFrameTimeHistogram_clazzE
                 0x02dffe84        0x4 obj/third_party/icu/icuuc/ucnv_ext.o
  ** common      0x02e2fca0   0x10d8e8
 
-.debug_info     0x00000000  0x81aee3a
- .debug_info    0x00000000       0x41 obj/chrome/android/chrome/chrome_main_delegate_android_initializer.o
-
-.debug_abbrev   0x00000000   0xa79307
- .debug_abbrev  0x00000000       0x2f obj/chrome/android/chrome/chrome_main_delegate_android_initializer.o
-
-.debug_aranges  0x00000000   0x4a2a18
- .debug_aranges
-                0x00000000       0x20 obj/chrome/android/chrome/chrome_main_delegate_android_initializer.o
-
-.debug_ranges   0x00000000  0x1dd3880
- .debug_ranges  0x00000000       0x10 obj/chrome/android/chrome/chrome_main_delegate_android_initializer.o
-
-.debug_line     0x00000000  0x37976e9
- .debug_line    0x00000000       0x7b obj/chrome/android/chrome/chrome_main_delegate_android_initializer.o
-
-.debug_str      0x00000000  0xf73136b
- ** merge strings
-                0x00000000  0xf73136b
-
-.debug_frame    0x00000000   0xfa0610
- .debug_frame   0x00000000       0x28 obj/chrome/android/chrome/chrome_main_delegate_android_initializer.o
-
-.comment        0x00000000       0x7f
- ** merge strings
-                0x00000000       0x7f
-
-.debug_loc      0x00000000    0x4fdb6
- .debug_loc     0x00000000       0x85 ../../third_party/android_tools/ndk/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a/libc++_static.a(chrono.o)
-
-.debug_pubnames
-                0x00000000    0x4165f
- .debug_pubnames
-                0x00000000      0xc42 ../../third_party/android_tools/ndk/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a/libc++_static.a(chrono.o)
-
-.debug_pubtypes
-                0x00000000    0x184f4
- .debug_pubtypes
-                0x00000000      0xc74 ../../third_party/android_tools/ndk/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a/libc++_static.a(chrono.o)
-
 .note.gnu.gold-version
                 0x00000000       0x1c
  ** note header
                 0x00000000       0x10
  ** fill        0x00000010        0x9
  ** zero fill   0x00000019        0x3
 
 .ARM.attributes
                 0x00000000       0x3c
  ** attributes  0x00000000       0x3c
 
 .symtab         0x00000000  0x105ef20
  ** symtab      0x00000000  0x105ef20
 
 .strtab         0x00000000  0x213a4fe
  ** string table
                 0x00000000  0x213a4fe
 
 .shstrtab       0x00000000      0x1b4
  ** string table
                 0x00000000      0x1b4