Do not compile memory profiler for Chromium.

Change-Id: Ie8094cf65045c18496e2b7bc01dfcce743649999
diff --git a/BUILD.gn b/BUILD.gn
index b561a31..3133792 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -88,7 +88,6 @@
     "gn:default_deps",
     "gn:gtest_main",
     "src/base:unittests",
-    "src/profiling/memory:unittests",
     "src/protozero:unittests",
     "src/tracing:unittests",
   ]
@@ -97,6 +96,7 @@
     deps += [
       "src/ipc:unittests",
       "src/perfetto_cmd:unittests",
+      "src/profiling/memory:unittests",
       "src/traced/probes:unittests",
       "src/traced/probes/filesystem:unittests",
       "src/traced/probes/ftrace:unittests",