Change a data_deps to deps temporarily since it doesn't seem to be working transitively.

The "mojo" target depended on //ui/gl:gl transitively through a few dependencies. However when building it, libEGL etc don't get built. This works with deps but not data_deps.

BUG=477104

Review URL: https://codereview.chromium.org/1059963006

Cr-Commit-Position: refs/heads/master@{#325506}

ui/gl/BUILD.gn

@@ -200,7 +200,8 @@ component("gl") {
     libs = [ "dwmapi.lib" ]
     ldflags = [ "/DELAYLOAD:dwmapi.dll" ]
 
-    data_deps = [
+    # TODO(brettw) bug 477104: this should be data_deps"
+    deps += [
       "//third_party/angle:libEGL",
       "//third_party/angle:libGLESv2",
       "//third_party/mesa:osmesa",