Enable gclient sync in the repo.

Change-Id: I3911d82a2f08e6bbc0f58ebb63c3fd7466b7e2e6

.gclient

diff --git a/.gclient b/.gclient
new file mode 100644
index 0000000..6e68d41
--- /dev/null
+++ b/.gclient
@@ -0,0 +1,7 @@
+solutions = [
+  { "name"        : ".",
+    "url"         : "https://dawn.googlesource.com/samples",
+    "deps_file"   : "DEPS",
+    "managed"     : False
+  },
+]

.gitignore

diff --git a/.gitignore b/.gitignore
index c77b5a1..212cd28 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,6 @@
 
 # Directories added by gclient sync and the GN build
 /.cipd
-/.gclient
 /.gclient_entries
 /.gclient_previous_custom_vars
 /.gclient_previous_sync_commits