Add perf results for GPU bots on chromium.gpu and chromium.webkit waterfalls.

masters/master.chromium.gpu/master.cfg

Index: masters/master.chromium.gpu/master.cfg
===================================================================
--- masters/master.chromium.gpu/master.cfg	(revision 130404)
+++ masters/master.chromium.gpu/master.cfg	(working copy)
@@ -97,6 +97,8 @@
     slave_type='BuilderTester',
     tests=['gpu_tests', 'gpu_frame_rate', 'gpu_latency', 'gpu_throughput'],
     factory_properties={'gclient_env': {'GYP_DEFINES': 'fastbuild=1'},
+                        'perf_id': 'gpu-win7-release-nvidia',
+                        'show_perf_results': True,
                         'test_results_server': 'test-results.appspot.com',
                         'generate_gtest_json': True})
 
@@ -116,6 +118,8 @@
              'chromium_gpu_builder'],
     tests=['gpu_tests', 'gpu_frame_rate', 'gpu_latency', 'gpu_throughput'],
     factory_properties={'test_results_server': 'test-results.appspot.com',
+                        'perf_id': 'gpu-mac-release-intel',
+                        'show_perf_results': True,
                         'generate_gtest_json': True,
                         'gclient_env': {
                             'GYP_GENERATORS': 'make',
@@ -143,6 +147,8 @@
     options=['chromium_gpu_builder'],
     tests=['gpu_tests', 'gpu_frame_rate', 'gpu_latency', 'gpu_throughput'],
     factory_properties={'test_results_server': 'test-results.appspot.com',
+                        'perf_id': 'gpu-linux-release-nvidia',
+                        'show_perf_results': True,
                         'generate_gtest_json': True})
 
 f_linux_nvidia_dbg = F_LINUX(