Makes GetBuildTime behave identically on all build types.

build/config/build_metadata.gni

Index: build/config/build_metadata.gni
diff --git a/build/config/build_metadata.gni b/build/config/build_metadata.gni
index befacbc54d7079cf8b776be90e685ed62635f911..05351579e38ead9e5feea5c433e48652ad853dcc 100644
--- a/build/config/build_metadata.gni
+++ b/build/config/build_metadata.gni
@@ -5,14 +5,6 @@
 import("//build/config/chrome_build.gni")
 
 declare_args() {
-  # Set to true 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.
-  #
-  # 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 = !is_official_build
+  # TODO(zforman): Remove this file once nothing uses dont_embed_build_metadata.
+  dont_embed_build_metadata = false

[Dirk Pranke, 2016/02/09 02:46:56]

I'm not aware of any GN bots that set this flag ... I think it's safe to delete
this file completely.

 }