[GN]: Add asmflags

build/toolchain/mac/BUILD.gn

Index: build/toolchain/mac/BUILD.gn
diff --git a/build/toolchain/mac/BUILD.gn b/build/toolchain/mac/BUILD.gn
index 6a727e6124ebb2824c3ca58a0466708b2244e733..dd3ff6107103260703700e4915db9bffa9f371ca 100644
--- a/build/toolchain/mac/BUILD.gn
+++ b/build/toolchain/mac/BUILD.gn
@@ -51,7 +51,7 @@ template("mac_toolchain") {
     tool("cc") {
       depfile = "{{output}}.d"
 
-      # TODO:(andybons): enable this when GCC PCH support in the binary has been
+      # TODO(andybons): enable this when GCC PCH support in the binary has been
       # rolled.
       #precompiled_header_type = "gcc"
       command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
@@ -65,7 +65,7 @@ template("mac_toolchain") {
     tool("cxx") {
       depfile = "{{output}}.d"
 
-      # TODO:(andybons): enable this when GCC PCH support in the binary has been
+      # TODO(andybons): enable this when GCC PCH support in the binary has been
       # rolled.
       #precompiled_header_type = "gcc"
       command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
@@ -91,7 +91,7 @@ template("mac_toolchain") {
       depfile = "{{output}}.d"
       command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_objc}} -c {{source}} -o {{output}}"
 
-      # TODO:(andybons): enable this when GCC PCH support in the binary has been
+      # TODO(andybons): enable this when GCC PCH support in the binary has been
       # rolled.
       #precompiled_header_type = "gcc"
       command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} {{cflags_objc}} -c {{source}} -o {{output}}"
@@ -106,7 +106,7 @@ template("mac_toolchain") {
       depfile = "{{output}}.d"
       command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_objcc}} -c {{source}} -o {{output}}"
 
-      # TODO:(andybons): enable this when GCC PCH support in the binary has been
+      # TODO(andybons): enable this when GCC PCH support in the binary has been
       # rolled.
       #precompiled_header_type = "gcc"
       depsformat = "gcc"