Use tcmalloc on Linux

runtime/bin/bin.gypi

Index: runtime/bin/bin.gypi
diff --git a/runtime/bin/bin.gypi b/runtime/bin/bin.gypi
index 43b5915ce1f5cb4b68af75d0e4c582cfb72ea6b5..a31cb93bd454b48646285c1bc12edee887459048 100644
--- a/runtime/bin/bin.gypi
+++ b/runtime/bin/bin.gypi
@@ -1147,6 +1147,11 @@
             },
           },
         }],
+        ['OS == "linux" and asan == 0', {
+          'dependencies': [
+            '../third_party/tcmalloc/tcmalloc.gypi:tcmalloc',
+          ],
+        }],
       ],
       'configurations': {
         'Dart_Linux_Base': {
@@ -1393,6 +1398,11 @@
             'libraries': [ '-lws2_32.lib', '-lRpcrt4.lib', '-lwinmm.lib' ],
           },
         }],
+        ['OS == "linux" and asan == 0', {
+          'dependencies': [
+            '../third_party/tcmalloc/tcmalloc.gypi:tcmalloc',
+          ],
+        }],
       ],
       'configurations': {
         'Dart_Linux_Base': {