Disable tcmalloc on nvidia GPU bots to work around hangs.

build/masters/master.chromium.gpu/master.cfg

Index: build/masters/master.chromium.gpu/master.cfg
===================================================================
--- build/masters/master.chromium.gpu/master.cfg	(revision 191441)
+++ build/masters/master.chromium.gpu/master.cfg	(working copy)
@@ -269,7 +269,8 @@
       'show_perf_results': True,
       'generate_gtest_json': True,
       'gclient_env': {
-          'GYP_DEFINES': 'fastbuild=1 internal_gles2_conform_tests=1',
+        # tcmalloc disabled because of hangs: http://crbug.com/177218 .
+        'GYP_DEFINES': 'fastbuild=1 internal_gles2_conform_tests=1 linux_use_tcmalloc=0',

[cmp, 2013/03/29 23:01:12]

nit: 80 chars per line

[Paweł Hajdan Jr., 2013/03/29 23:33:04]

Done.

       },
     })
 
@@ -282,7 +283,8 @@
       'test_results_server': 'test-results.appspot.com',
       'generate_gtest_json': True,
       'gclient_env': {
-        'GYP_DEFINES': 'fastbuild=1 internal_gles2_conform_tests=1',
+        # tcmalloc disabled because of hangs: http://crbug.com/177218 .
+        'GYP_DEFINES': 'fastbuild=1 internal_gles2_conform_tests=1 linux_use_tcmalloc=0',

[cmp, 2013/03/29 23:01:12]

nit: 80 chars per line

[Paweł Hajdan Jr., 2013/03/29 23:33:04]

Done.

       },
     })