Fix GetAMDVideoCardInfo() linkage for Chrome non-Official builds.

Both BULID files and source code were checking for a Chrome-branded build, but
not also an Official build type.

BUG=388419
[email protected]

Review URL: https://codereview.chromium.org/406523006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284609 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/gpu/gpu_config.gypi b/gpu/gpu_config.gypi
index 12c65e6..8470afd 100644
--- a/gpu/gpu_config.gypi
+++ b/gpu/gpu_config.gypi
@@ -57,7 +57,7 @@
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     }],
-    ['OS=="win" and branding=="Chrome"', {
+    ['OS=="win" and branding=="Chrome" and buildtype=="Official"', {
       'sources': [
         '../third_party/amd/AmdCfxPxExt.h',
         '../third_party/amd/amd_videocard_info_win.cc',