Add dedicated cros bootstrap_deps.

content/test/gpu/gpu_tests/bootstrap_deps

Index: content/test/gpu/gpu_tests/bootstrap_deps
===================================================================
--- content/test/gpu/gpu_tests/bootstrap_deps	(revision 252160)
+++ content/test/gpu/gpu_tests/bootstrap_deps	(working copy)
@@ -12,12 +12,15 @@
     "https://src.chromium.org/chrome/trunk/src/content/test/gpu/gpu_tests",
   "src/content/test/gpu/page_sets":
     "https://src.chromium.org/chrome/trunk/src/content/test/gpu/page_sets",
-  "src/third_party/webgl_conformance":
-    "https://src.chromium.org/chrome/trunk/deps/third_party/webgl/sdk/tests",
+  # TODO(ihf): Figure out a different way to specify this dependency. This
+  # directory needs to be checked out with the instructions provided by
+  # https://src.chromium.org/chrome/trunk/src/third_party/webgl/README.chromium
+  "src/third_party/webgl/src/sdk/tests":
+    "",
   }
 
 # gpu_tests depends on Telemetry, so pull in the Telemetry deps, too.
 deps_includes = {
-  "src/tools/telemetry/tools/bootstrap_deps":
-      "https://src.chromium.org/chrome/trunk/src/tools/telemetry/tools/bootstrap_deps",
+  "src/tools/telemetry_tools/bootstrap_deps":
+      "https://src.chromium.org/chrome/trunk/src/tools/telemetry_tools/bootstrap_deps",
   }