Create the crash key registration system and register some Mac-specific keys.

chrome/common/crash_keys.cc

 // Copyright (c) 2013 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 "chrome/common/crash_keys.h"
 
 namespace crash_keys {
 
+// TODO(rsesek): This is true on Mac and Linux but not Windows.
+static const size_t kSingleChunkLength = 255;
+
+size_t RegisterChromeCrashKeys() {
+  base::debug::CrashKey keys[] = {
+#if defined(OS_MACOSX)
+    { mac::kFirstNSException, 1, kSingleChunkLength },
+    { mac::kFirstNSExceptionTrace, 1, kSingleChunkLength },
+    { mac::kLastNSException, 1, kSingleChunkLength },
+    { mac::kLastNSExceptionTrace, 1, kSingleChunkLength },
+    { mac::kNSException, 1, kSingleChunkLength },
+    { mac::kSendAction, 1, kSingleChunkLength },
+    { mac::kZombie, 1, kSingleChunkLength },
+    { mac::kZombieTrace, 1, kSingleChunkLength },
+    // content/:
+    { "channel_error_bt", 1, kSingleChunkLength },
+    { "remove_route_bt", 1, kSingleChunkLength },
+    { "rwhvm_window", 1, kSingleChunkLength },
+    // media/:
+    { "VideoCaptureDeviceQTKit", 1, kSingleChunkLength },
+#endif
+  };
+
+  size_t num_keys;
+  base::debug::InitCrashKeys(keys, arraysize(keys), &num_keys);
+  return num_keys;
+}
+
+// Crash Key Name Constants ////////////////////////////////////////////////////
+
 namespace mac {
 
 const char kFirstNSException[] = "firstexception";
 const char kFirstNSExceptionTrace[] = "firstexception_bt";
 
 const char kLastNSException[] = "lastexception";
 const char kLastNSExceptionTrace[] = "lastexception_bt";
 
 const char kNSException[] = "nsexception";
 
 const char kSendAction[] = "sendaction";
 
 const char kZombie[] = "zombie";
 const char kZombieTrace[] = "zombie_dealloc_bt";
 
 }  // namespace mac
 
 }  // namespace crash_keys