Adding isolate script targets for all remaining C++ perf tests.

gpu/BUILD.gn

Index: gpu/BUILD.gn
diff --git a/gpu/BUILD.gn b/gpu/BUILD.gn
index 367349cc04c8607feb0109387ee8c37f8444cd79..30a915a88a7c72ed63ff7d1144d873220e433372 100644
--- a/gpu/BUILD.gn
+++ b/gpu/BUILD.gn
@@ -370,6 +370,14 @@ test("gpu_perftests") {
     "//ui/gl/init",
   ]
 
+  data = [
+    # Needed for isolate script to execute.
+    "//testing/scripts/common.py",
+    "//testing/xvfb.py",
+    "//testing/scripts/run_gtest_perf_test.py",
+    "//tools/perf/generate_legacy_perf_dashboard_json.py",
+  ]
+
   # This target should not require the Chrome executable to run.
   assert_no_deps = [ "//chrome" ]
 }