Speed up angle_end2end_tests by running tests in larger batches.

gpu/angle_test_batcher.cc

Index: gpu/angle_test_batcher.cc
diff --git a/gpu/angle_test_batcher.cc b/gpu/angle_test_batcher.cc
new file mode 100644
index 0000000000000000000000000000000000000000..78041c1fec2db4e9b92c5975bf2e14c76f9e7141
--- /dev/null
+++ b/gpu/angle_test_batcher.cc
@@ -0,0 +1,19 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "angle_test_batcher.h"
+
+#include "base/command_line.h"
+#include "base/test/test_switches.h"
+
+namespace gpu {
+
+void BatchANGLETests() {
+  base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess();
+  if (!cmd_line->HasSwitch(switches::kTestLauncherBatchLimit)) {
+    cmd_line->AppendSwitchASCII(switches::kTestLauncherBatchLimit, "1000");
+  }
+}
+
+}  // namespace gpu