Makes GetBuildTime behave identically on all build types.

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 361 matching lines @@
       'use_default_render_theme%': '<(use_default_render_theme)',
       'buildtype%': '<(buildtype)',
       'branding%': '<(branding)',
       'branding_path_component%': '<(branding_path_component)',
       'arm_version%': '<(arm_version)',
       'sysroot%': '<(sysroot)',
       'chroot_cmd%': '<(chroot_cmd)',
       'system_libdir%': '<(system_libdir)',
       'order_profiling%': '<(order_profiling)',
 
-      # Set to 1 to not store any build metadata, e.g. ifdef out all __DATE__
-      # and __TIME__. Set to 0 to reenable the use of these macros in the code
-      # base. See http://crbug.com/314403.
-      'dont_embed_build_metadata%': 1,
+      # TODO(zforman): Remove as soon as no bots depend on this.
+      'dont_embed_build_metadata%': 0,
 
       # Set to 1 to force Visual C++ to use legacy debug information format /Z7.
       # This is useful for parallel compilation tools which can't support /Zi.
       # Only used on Windows.
       'win_z7%' : 0,
 
       # Set to 1 to enable dcheck in Release build.
       'dcheck_always_on%': 0,
 
       # Set to 1 to make a build that disables unshipped tracing events.
@@ skipping 771 matching lines @@
     'chromeos%': '<(chromeos)',
     'chromecast%': '<(chromecast)',
     'is_cast_desktop_build%': '<(is_cast_desktop_build)',
     'enable_viewport%': '<(enable_viewport)',
     'enable_hidpi%': '<(enable_hidpi)',
     'enable_topchrome_md%': '<(enable_topchrome_md)',
     'enable_wayland_server%': '<(enable_wayland_server)',
     'enable_wifi_display%': '<(enable_wifi_display)',
     'image_loader_extension%': '<(image_loader_extension)',
     'fastbuild%': '<(fastbuild)',
-    'dont_embed_build_metadata%': '<(dont_embed_build_metadata)',
     'win_z7%': '<(win_z7)',
     'dcheck_always_on%': '<(dcheck_always_on)',
     'tracing_like_official_build%': '<(tracing_like_official_build)',
     'fieldtrial_testing_like_official_build%': '<(fieldtrial_testing_like_official_build)',
     'arm_version%': '<(arm_version)',
     'arm_neon%': '<(arm_neon)',
     'arm_neon_optional%': '<(arm_neon_optional)',
     'sysroot%': '<(sysroot)',
     'pkg-config%': '<(pkg-config)',
     'chroot_cmd%': '<(chroot_cmd)',
@@ skipping 396 matching lines @@
 
     # Experiment: http://crbug.com/426914
     'envoy%': 0,
 
     # Used to set libjpeg_gyp_path. Chrome OS ui/gfx/gfx.gyp uses the IJG path
     # for robust login screen decoding.
     'libjpeg_ijg_gyp_path': '<(DEPTH)/third_party/libjpeg/libjpeg.gyp',
     'libjpeg_turbo_gyp_path': '<(DEPTH)/third_party/libjpeg_turbo/libjpeg.gyp',
 
     'conditions': [
-      ['buildtype=="Official"', {
-        # Continue to embed build meta data in Official builds, basically the
-        # time it was built.
-        # TODO(maruel): This decision should be revisited because having an
-        # official deterministic build has high value too but MSVC toolset can't
-        # generate anything deterministic with WPO enabled AFAIK.
-        'dont_embed_build_metadata%': 0,
-      }],
       # Enable the Syzygy optimization step for the official builds.
       ['OS=="win" and buildtype=="Official" and syzyasan!=1 and clang!=1', {
         'syzygy_optimize%': 1,
       }, {
         'syzygy_optimize%': 0,
       }],
       # Get binutils version so we can enable debug fission if we can.
       ['os_posix==1 and OS!="mac" and OS!="ios"', {
         'conditions': [
           # compiler_version doesn't work with clang
@@ skipping 1229 matching lines @@
           ['OS=="android" and fastbuild==2', {
             'variables': { 'release_extra_cflags': '-g0', },
           }],
           ['OS=="android" and fastbuild==1', {
             # TODO(thakis): Change this to -g1 once http://crbug.com/456947 is
             # fixed.
             'variables': { 'release_extra_cflags': '-g0', },
           }],
         ],
       }],  # fastbuild!=0
-      ['dont_embed_build_metadata==1', {
-        'defines': [
-          'DONT_EMBED_BUILD_METADATA',
-        ],
-      }],  # dont_embed_build_metadata==1
       ['dcheck_always_on!=0', {
         'defines': ['DCHECK_ALWAYS_ON=1'],
       }],  # dcheck_always_on!=0
       ['tracing_like_official_build!=0', {
         'defines': ['TRACING_IS_OFFICIAL_BUILD=1'],
       }],  # tracing_like_official_build!=0
       ['fieldtrial_testing_like_official_build==0 and branding!="Chrome"', {
         'defines': ['FIELDTRIAL_TESTING_ENABLED'],
       }],  # fieldtrial_testing_like_official_build==0 and branding!="Chrome"
       ['OS=="win"', {
@@ skipping 3525 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',
   },
 }