Makes GetBuildTime behave identically on all build types.

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 4bc35cc4fda3995df770f7c983e58aef4223152c..17c0fc8e28cb4564ba4dfa941d7003a81395684a 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -379,10 +379,8 @@
       '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.
@@ -1174,7 +1172,6 @@
     '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)',
@@ -1591,14 +1588,6 @@
     '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,
@@ -2848,11 +2837,6 @@
           }],
         ],
       }],  # 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