Supersize: Store whether source path was generated in flags

tools/binary_size/libsupersize/testdata/Archive_Elf.golden

Index: tools/binary_size/libsupersize/testdata/Archive_Elf.golden
diff --git a/tools/binary_size/libsupersize/testdata/Archive_Elf.golden b/tools/binary_size/libsupersize/testdata/Archive_Elf.golden
index c1d069446fcf880133e26ea186a8a050b8d431a0..cc25c2b52a178d0d0a1f7e2e153685765d5051df 100644
--- a/tools/binary_size/libsupersize/testdata/Archive_Elf.golden
+++ b/tools/binary_size/libsupersize/testdata/Archive_Elf.golden
@@ -24,9 +24,9 @@ Section t: has 100.0% of 35900712 bytes accounted for from 18 symbols. 0 bytes a
 .bss@0(size_without_padding=262144,padding=0,name=ff_cos_131072,object_path=third_party/ffmpeg/libffmpeg_internal.a/fft_float.o,source_path=third_party/fft_float.cc,flags={})
 .bss@0(size_without_padding=131072,padding=0,name=ff_cos_131072_fixed,object_path=third_party/ffmpeg/libffmpeg_internal.a/fft_fixed.o,source_path=third_party/fft_fixed.cc,flags={})
 .bss@0(size_without_padding=131072,padding=0,name=ff_cos_65536,object_path=third_party/ffmpeg/libffmpeg_internal.a/fft_float.o,source_path=third_party/fft_float.cc,flags={})
-.bss@2dffda0(size_without_padding=28,padding=0,name=g_chrome_content_browser_client,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={})
-.bss@2dffe80(size_without_padding=4,padding=196,name=SaveHistogram::atomic_histogram_pointer,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={})
-.bss@2dffe84(size_without_padding=4,padding=0,name=g_AnimationFrameTimeHistogram_clazz,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={anon})
+.bss@2dffda0(size_without_padding=28,padding=0,name=g_chrome_content_browser_client,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={gen})
+.bss@2dffe80(size_without_padding=4,padding=196,name=SaveHistogram::atomic_histogram_pointer,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={gen})
+.bss@2dffe84(size_without_padding=4,padding=0,name=g_AnimationFrameTimeHistogram_clazz,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={anon,gen})
 .data@2de7000(size_without_padding=4,padding=0,name=google::protobuf::internal::pLinuxKernelCmpxchg,object_path=base/base/page_allocator.o,source_path=base/page_allocator.cc,flags={})
 .data@2de7004(size_without_padding=4,padding=0,name=google::protobuf::internal::pLinuxKernelMemoryBarrier,object_path=third_party/WebKit.a/ContiguousContainer.o,source_path=third_party/container.c,flags={})
 .data@2de7008(size_without_padding=152,padding=0,name=base::android::kBaseRegisteredMethods,object_path=third_party/WebKit.a/ContiguousContainer.o,source_path=third_party/container.c,flags={rel})
@@ -37,8 +37,8 @@ Section t: has 100.0% of 35900712 bytes accounted for from 18 symbols. 0 bytes a
 .data.rel.ro@2cd8538(size_without_padding=24,padding=0,name=mojo::MessageReceiver [vtable],object_path=base/base/page_allocator.o,source_path=base/page_allocator.cc,flags={})
 .data.rel.ro@2cd8550(size_without_padding=12,padding=0,name=kMethodsAnimationFrameTimeHistogram,object_path=base/base/page_allocator.o,source_path=base/page_allocator.cc,flags={})
 .data.rel.ro@2ddc608(size_without_padding=0,padding=1065132,name=** symbol gap 3 (end of section),object_path=,source_path=,flags={})
-.data.rel.ro.local@2c176f0(size_without_padding=56,padding=0,name=ChromeMainDelegate [vtable],object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={})
-.data.rel.ro.local@2c17728(size_without_padding=24,padding=0,name=chrome::mojom::FieldTrialRecorder [vtable],object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={})
+.data.rel.ro.local@2c176f0(size_without_padding=56,padding=0,name=ChromeMainDelegate [vtable],object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={gen})
+.data.rel.ro.local@2c17728(size_without_padding=24,padding=0,name=chrome::mojom::FieldTrialRecorder [vtable],object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={gen})
 .data.rel.ro.local@2c17740(size_without_padding=789904,padding=0,name=chrome::mojom::FieldTrialRecorderProxy [vtable],object_path=third_party/WebKit.a/ContiguousContainer.o,source_path=third_party/container.c,flags={})
 .data.rel.ro.local@2cd84e0(size_without_padding=16,padding=16,name=.Lswitch.table.45,object_path=third_party/gvr-android-sdk/libgvr_shim_static_arm.a/libcontroller_api_impl.a_controller_api_impl.o,source_path=,flags={})
 .data.rel.ro.local@2cd84f0(size_without_padding=8,padding=0,name=kSystemClassPrefixes,object_path=third_party/gvr-android-sdk/libgvr_shim_static_arm.a/libport_android_jni.a_jni_utils.o,source_path=,flags={anon})
@@ -57,11 +57,11 @@ Section t: has 100.0% of 35900712 bytes accounted for from 18 symbols. 0 bytes a
 .text@28d964(size_without_padding=38,padding=0,name=extFromUUseMapping,object_path=base/base/page_allocator.o,source_path=base/page_allocator.cc,flags={})
 .text@28d98a(size_without_padding=32,padding=0,name=extFromUUseMapping,object_path=base/base/page_allocator.o,source_path=base/page_allocator.cc,flags={})
 .text@28f000(size_without_padding=0,padding=5718,name=** symbol gap 0,object_path=,source_path=,flags={})
-.text@28f000(size_without_padding=448,padding=0,name=ucnv_extMatchFromU,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={})
-.text@28f1c8(size_without_padding=20,padding=8,name=_GLOBAL__sub_I_SkDeviceProfile.cpp,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={startup})
-.text@28f1e0(size_without_padding=69120,padding=4,name=foo_bar,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={unlikely})
+.text@28f000(size_without_padding=448,padding=0,name=ucnv_extMatchFromU,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={gen})
+.text@28f1c8(size_without_padding=20,padding=8,name=_GLOBAL__sub_I_SkDeviceProfile.cpp,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={startup,gen})
+.text@28f1e0(size_without_padding=69120,padding=4,name=foo_bar,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={unlikely,gen})
 .text@2a0000(size_without_padding=16,padding=32,name=blink::ContiguousContainerBase::shrinkToFit,object_path=,source_path=,flags={2 aliases})
-.text@2a0000(size_without_padding=16,padding=32,name=BazAlias,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={2 aliases})
+.text@2a0000(size_without_padding=16,padding=32,name=BazAlias,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={gen,2 aliases})
 .text@2a0010(size_without_padding=12,padding=0,name=blink::ContiguousContainerBase::shrinkToFit [clone .part.1234] [clone .isra.2],object_path=third_party/{shared}/2,source_path=third_party/{shared}/2,flags={3 aliases})
 .text@2a0010(size_without_padding=12,padding=0,name=FooAlias,object_path=third_party/ffmpeg/libffmpeg_internal.a/fft_float.o,source_path=third_party/fft_float.cc,flags={3 aliases})
 .text@2a0010(size_without_padding=12,padding=0,name=BarAlias,object_path=third_party/ffmpeg/libffmpeg_internal.a/fft_float.o,source_path=third_party/fft_float.cc,flags={3 aliases})