Initial addition of blimp crash client code.

blimp/engine/app/blimp_engine_crash_keys.cc

Index: blimp/engine/app/blimp_engine_crash_keys.cc
diff --git a/blimp/engine/app/blimp_engine_crash_keys.cc b/blimp/engine/app/blimp_engine_crash_keys.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4290756f8cb5d5245e75f0a9b74c072a3ebe4086
--- /dev/null
+++ b/blimp/engine/app/blimp_engine_crash_keys.cc
@@ -0,0 +1,32 @@
+// Copyright 2016 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 "blimp/engine/app/blimp_engine_crash_keys.h"
+
+#include <vector>
+
+#include "base/debug/crash_logging.h"
+#include "components/crash/core/common/crash_keys.h"
+
+namespace blimp {
+namespace engine {
+
+size_t RegisterEngineCrashKeys() {
+  const std::vector<base::debug::CrashKey> engine_keys = {
+      {::crash_keys::kClientId, ::crash_keys::kSmallSize},
+      {::crash_keys::kChannel, ::crash_keys::kSmallSize},
+      {::crash_keys::kNumVariations, ::crash_keys::kSmallSize},
+      {::crash_keys::kVariations, ::crash_keys::kLargeSize},
+      {"discardable-memory-allocated", ::crash_keys::kSmallSize},
+      {"discardable-memory-free", ::crash_keys::kSmallSize},
+      {"ppapi_path", ::crash_keys::kMediumSize},
+      {"subresource_url", ::crash_keys::kLargeSize},
+      {"total-discardable-memory-allocated", ::crash_keys::kSmallSize}};
+
+  return base::debug::InitCrashKeys(&engine_keys.at(0), engine_keys.size(),
+                                    ::crash_keys::kChunkMaxLength);
+}
+
+}  // namespace engine
+}  // namespace blimp