Drop Precise blink builders on chromium.webkit, add corresponding Trusty builders.

scripts/slave/recipe_modules/chromium_tests/chromium_webkit.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from . import steps
 
 SPEC = {
   'settings': {
     'build_gs_bucket': 'chromium-webkit-archive',
     'src_side_runtest_py': False,
@@ skipping 280 matching lines @@
     'testing': {
       'platform': 'mac',
     },
     'enable_swarming': True,
     'swarming_dimensions': {
       'os': 'Mac-10.11',
     },
     'use_isolate': True,
     'checkout_dir': 'mac_layout',
   },
-  'WebKit Linux Precise': {
+  'WebKit Linux Trusty': {
     'chromium_config': 'chromium',
     'chromium_apply_config': ['mb', 'ninja_confirm_noop'],
     'gclient_config': 'chromium',
     'chromium_config_kwargs': {
       'BUILD_CONFIG': 'Release',
-      'TARGET_BITS': 64,
-    },
-    'compile_targets': [
-      'blink_tests',
-    ],
-    'tests': [
-      steps.BlinkTest(),
-    ],
-    'testing': {
-      'platform': 'linux',
-    },
-    'enable_swarming': True,
-    'use_isolate': True,
-    'checkout_dir': 'linux_layout',
-  },
-  'WebKit Linux Trusty': {
-    'chromium_config': 'chromium',
-    'chromium_apply_config': ['mb'],
-    'gclient_config': 'chromium',
-    'chromium_config_kwargs': {
-      'BUILD_CONFIG': 'Release',
       'TARGET_BITS': 64,
     },
     'compile_targets': [
       'blink_tests',
     ],
     'tests': [
       steps.BlinkTest(),
     ],
     'testing': {
       'platform': 'linux',
     },
     'enable_swarming': True,
     'use_isolate': True,
     'checkout_dir': 'linux_layout',
   },
-  'WebKit Linux Precise ASAN': {
+  'WebKit Linux Trusty ASAN': {
     'chromium_config': 'chromium_clang',
     'chromium_apply_config': ['asan', 'mb'],
     'gclient_config': 'chromium',
     'chromium_config_kwargs': {
       'BUILD_CONFIG': 'Release',
       'TARGET_BITS': 64,
     },
     'tests': [
       steps.BlinkTest(extra_args=[
           '--additional-expectations',
           'src/third_party/WebKit/LayoutTests/ASANExpectations',
           # ASAN is roughly 8x slower than Release.
           '--time-out-ms', '48000',
           '--options=--enable-sanitizer',
       ]),
     ],
     'testing': {
       'platform': 'linux',
     },
     'enable_swarming': True,
     'use_isolate': True,
     'checkout_dir': 'linux_layout',
   },
-  'WebKit Linux Precise MSAN': {
+  'WebKit Linux Trusty MSAN': {
     'chromium_config': 'chromium_clang',
     'gclient_config': 'chromium',
     'chromium_apply_config': [
       'mb',
       'msan',
       'msan_full_origin_tracking',
       'prebuilt_instrumented_libraries',
     ],
     'chromium_config_kwargs': {
       'BUILD_CONFIG': 'Release',
       'TARGET_BITS': 64,
     },
     'tests': [
       steps.BlinkTest(extra_args=[
           '--additional-expectations',
           'src/third_party/WebKit/LayoutTests/MSANExpectations',
           # Because JS code is run on a simulator, the slowdown in JS-heavy
           # tests will be much higher than MSan's average of 3x.
           '--time-out-ms', '66000',
           '--options=--enable-sanitizer',
       ]),
     ],
     'testing': {
       'platform': 'linux',
     },
     'enable_swarming': True,
     'use_isolate': True,
     'checkout_dir': 'linux_layout',
   },
-  'WebKit Linux Precise (dbg)': {
+  'WebKit Linux Trusty (dbg)': {
     'chromium_config': 'chromium',
     'chromium_apply_config': ['mb'],
     'gclient_config': 'chromium',
     'chromium_config_kwargs': {
       'BUILD_CONFIG': 'Debug',
       'TARGET_BITS': 64,
     },
     'tests': [
       steps.BlinkTest(),
     ],
@@ skipping 36 matching lines @@
     'root_devices': True,
     'tests': [
       steps.GTestTest('blink_heap_unittests'),
       steps.GTestTest('webkit_unit_tests'),
       steps.BlinkTest(),
     ],
     'testing': {
       'platform': 'linux',
     },
   },
-  'WebKit Linux Precise Leak': {
+  'WebKit Linux Trusty Leak': {
     'chromium_config': 'chromium',
     'chromium_apply_config': ['mb'],
     'gclient_config': 'chromium',
     'chromium_config_kwargs': {
       'BUILD_CONFIG': 'Release',
       'TARGET_BITS': 64,
     },
     'compile_targets': [
       'blink_tests',
     ],
     'tests': [
       steps.BlinkTest(extra_args=[
           '--additional-expectations',
           'src/third_party/WebKit/LayoutTests/LeakExpectations',
           '--options=--enable-leak-detection',
       ]),
     ],
     'testing': {
       'platform': 'linux',
     },
     'enable_swarming': True,
     'use_isolate': True,
   },
 }