First stab at Mac breakpad support.

chrome/app/breakpad_mac.h

Index: chrome/app/breakpad_mac.h
diff --git a/chrome/app/breakpad_mac.h b/chrome/app/breakpad_mac.h
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index 0000000000000000000000000000000000000000..0a20e124029d405dbdc9d6ecec20f265902471fd
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+++ b/chrome/app/breakpad_mac.h
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+// Copyright (c) 2009 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.
+
+#ifndef CHROME_APP_BREAKPAD_MAC_H_
+#define CHROME_APP_BREAKPAD_MAC_H_
+
+// This header defines the Chrome entry points for Breakpad integration.
+
+// Initializes Breakpad.
+void InitCrashReporter();
+
+// Is Breakpad enabled?
+bool IsCrashReporterEnabled();
+
+// Call on clean process shutdown.
+void DestructCrashReporter();
+
+#endif  // CHROME_APP_BREAKPAD_MAC_H_