Remove memory_watcher tool as well as --memory-profile command line flag.

build/all.gyp

 # 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.
 
 {
   'variables': {
     # A hook that can be overridden in other repositories to add additional
     # compilation targets to 'All'. Only used on Android.
     'android_app_targets%': [],
   },
@@ skipping 146 matching lines @@
             '../tools/xdisplaycheck/xdisplaycheck.gyp:*',
           ],
         }],
         ['OS=="win"', {
           'conditions': [
             ['win_use_allocator_shim==1', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:*',
               ],
             }],
-            # Don't enable dependencies that don't work on Win64.
-            ['target_arch!="x64"', {
-              'dependencies': [
-                # TODO(jschuh) Enable Win64 Memory Watcher. crbug.com/176877
-                '../tools/memory_watcher/memory_watcher.gyp:*',
-              ],
-            }],
           ],
           'dependencies': [
             '../chrome_elf/chrome_elf.gyp:*',
             '../cloud_print/cloud_print.gyp:*',
             '../courgette/courgette.gyp:*',
             '../rlz/rlz.gyp:*',
             '../sandbox/sandbox.gyp:*',
             '<(angle_path)/src/build_angle.gyp:*',
             '../third_party/bspatch/bspatch.gyp:*',
             '../tools/win/static_initializers/static_initializers.gyp:*',
@@ skipping 1056 matching lines @@
           'dependencies': [
             '../ui/views/examples/examples.gyp:views_examples_with_content_exe',
             '../ui/views/views.gyp:views',
             '../ui/views/views.gyp:views_unittests',
           ],
         },  # target_name: macviews_builder
       ],  # targets
     }],  # os=='mac' and toolkit_views==1
   ],  # conditions
 }