Remove long gomacc command-line for Mac builds.

BUG=none
TEST=Compile Chrome and confirm that gomacc command line is elided.

Review URL: http://codereview.chromium.org/7134063

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@88676 0039d316-1c4b-4281-b951-d872f2087c98

build/sanitize-mac-build-log.sed

@@ -20,6 +20,9 @@
 \|^    /Developer/Library/PrivateFrameworks/DevToolsCore.framework/|d
 \|^    /Developer/Library/Xcode/Plug-ins/CoreBuildTasks.xcplugin/|d
 
+# Drop any goma command lines as well.
+\|^    .*/gomacc |d
+
 # And, if you've overridden something from your own bin directory, remove those
 # full command lines, too.
 \|^    /Users/[^/]*/bin/|d