Move src/tools/isolate to src/tools/swarm_client as a DEPS.

build/common.gypi

 # Copyright (c) 2012 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 356 matching lines @@
       #                  http://crbug.com/105550
       'use_canvas_skia%': 0,
 
       # Set to "tsan", "memcheck", or "drmemory" to configure the build to work
       # with one of those tools.
       'build_for_tool%': '',
 
       # Whether tests targets should be run, archived or just have the
       # dependencies verified. All the tests targets have the '_run' suffix,
       # e.g. base_unittests_run runs the target base_unittests. The test target
-      # always calls tools/isolate/isolate.py. See the script's --help for more
-      # information and the valid --mode values. Meant to be overriden with
+      # always calls tools/swarm_client/isolate.py. See the script's --help for
+      # more information and the valid --mode values. Meant to be overriden with
       # GYP_DEFINES.
       # TODO(maruel): Converted the default from 'check' to 'noop' so work can
       # be done while the builders are being reconfigured to check out test data
       # files.
       'test_isolation_mode%': 'noop',
       # It must not be '<(PRODUCT_DIR)' alone, the '/' is necessary otherwise
       # gyp will remove duplicate flags, causing isolate.py to be confused.
       'test_isolation_outdir%': '<(PRODUCT_DIR)/isolate',
 
        # Force rlz to use chrome's networking stack.
@@ skipping 3127 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }