Use msvs toolchain from depot_tools.

build/standalone.gypi

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 79 matching lines @@
 
       'use_lto%': 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%': '<(base_dir)/tools/cfi/blacklist.txt',
 
+      # Set to 1 to enable fast builds.
+      # TODO(machenbach): Only configured for windows.
+      'fastbuild%': 0,
+
       # goma settings.
       # 1 to use goma.
       # If no gomadir is set, it uses the default gomadir.
       'use_goma%': 0,
       'gomadir%': '',
       'conditions': [
         # Set default gomadir.
         ['OS=="win"', {
           'gomadir': 'c:\\goma\\goma-win',
         }, {
@@ skipping 38 matching lines @@
     'msan%': '<(msan)',
     'tsan%': '<(tsan)',
     'sanitizer_coverage%': '<(sanitizer_coverage)',
     'use_custom_libcxx%': '<(use_custom_libcxx)',
     'linux_use_bundled_gold%': '<(linux_use_bundled_gold)',
     'use_lto%': '<(use_lto)',
     'cfi_vptr%': '<(cfi_vptr)',
     'cfi_diag%': '<(cfi_diag)',
     'cfi_blacklist%': '<(cfi_blacklist)',
     'test_isolation_mode%': '<(test_isolation_mode)',
+    'fastbuild%': '<(fastbuild)',
 
     # Add a simple extras solely for the purpose of the cctests
     'v8_extra_library_files': ['../test/cctest/test-extra.js'],
     'v8_experimental_extra_library_files': ['../test/cctest/test-experimental-extra.js'],
 
     # .gyp files or targets should set v8_code to 1 if they build V8 specific
     # code, as opposed to external code.  This variable is used to control such
     # things as the set of warnings to enable, and whether warnings are treated
     # as errors.
     'v8_code%': 0,
@@ skipping 31 matching lines @@
         'want_separate_host_toolset': 0,
       }],
       ['OS == "win"', {
         'os_posix%': 0,
       }, {
         'os_posix%': 1,
       }],
       ['OS=="win" and use_goma==1', {
         # goma doesn't support pch yet.
         'chromium_win_pch': 0,
-        # goma doesn't support PDB yet, so win_z7=1 or fastbuild=1.
-        'conditions': [
-          ['win_z7==0 and fastbuild==0', {
-            'fastbuild': 1,
-          }],
-        ],
+        # goma doesn't support PDB yet.
+        'fastbuild%': 1,
       }],
       ['((v8_target_arch=="ia32" or v8_target_arch=="x64" or v8_target_arch=="x87") and \
         (OS=="linux" or OS=="mac")) or (v8_target_arch=="ppc64" and OS=="linux")', {
         'v8_enable_gdbjit%': 1,
       }, {
         'v8_enable_gdbjit%': 0,
       }],
       ['(OS=="linux" or OS=="mac") and (target_arch=="ia32" or target_arch=="x64") and \
         (v8_target_arch!="x87" and v8_target_arch!="x32")', {
         'clang%': 1,
@@ skipping 201 matching lines @@
             'target_conditions': [
               ['_toolset=="target"', {
                 'cflags+': [
                   '-Wno-format-pedantic',
                  ],
               }],
            ],
           }],
         ],
       }],
+      ['fastbuild!=0', {
+        'conditions': [
+          ['OS=="win" and fastbuild==1', {
+            'msvs_settings': {
+              'VCLinkerTool': {
+                # This tells the linker to generate .pdbs, so that
+                # we can get meaningful stack traces.
+                'GenerateDebugInformation': 'true',
+              },
+              'VCCLCompilerTool': {
+                # No debug info to be generated by compiler.
+                'DebugInformationFormat': '0',
+              },
+            },
+          }],
+        ],
+      }],  # fastbuild!=0
     ],
     'target_conditions': [
       ['v8_code == 0', {
         'defines!': [
           'DEBUG',
         ],
         'conditions': [
           ['os_posix == 1 and OS != "mac"', {
             # We don't want to get warnings from third-party code,
             # so remove any existing warning-enabling flags like -Wall.
@@ skipping 859 matching lines @@
               '-fsanitize=cfi-vcall',
               '-fsanitize=cfi-derived-cast',
               '-fsanitize=cfi-unrelated-cast',
             ],
           }],
         ],
       },
     }],
   ],
 }