[making a diff] Remove the old task manager view

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 682 matching lines @@
       'use_gtk3%': 0,
 
       # Control Flow Integrity for virtual calls and casts.
       # See http://clang.llvm.org/docs/ControlFlowIntegrity.html
       'cfi_vptr%': 0,
       'cfi_diag%': 0,
 
       'cfi_blacklist%': '<(PRODUCT_DIR)/../../tools/cfi/blacklist.txt',
 
       # Whether the entire browser uses toolkit-views on Mac instead of Cocoa.
-      'mac_views_browser%': 0,
+      'mac_views_browser%': 1,
 
       # By default, use ICU data file (icudtl.dat).
       'icu_use_data_file_flag%': 1,
 
       # Turn on JNI generation optimizations by default.
       'optimize_jni_generation%': 1,
 
       'conditions': [
         # A flag for POSIX platforms
         ['OS=="win"', {
@@ skipping 5599 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',
   },
 }