collect minidump if it chrashes

tools/win_dbghelp.h

Index: tools/win_dbghelp.h
===================================================================
--- tools/win_dbghelp.h	(revision 0)
+++ tools/win_dbghelp.h	(revision 0)
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef win_dbghelp_DEFINED
+#define win_dbghelp_DEFINED
+
+#ifdef SK_BUILD_FOR_WIN32
+
+#include <dbghelp.h>
+#include <shellapi.h>
+#include <shlobj.h>
+
+void setAppName(const char* app_name);
+const char* getAppName();
+
+void setBinariesPath(const char* binaries_path);
+const char* getBinariesPath();
+
+void setAppVersion(const char* version);
+const char* getAppVersion();
+
+void setCdbPath(const char* path);
+const char* getCdbPath();
+
+void setUpDebuggingFromArgs(const char* vargs0);
+
+int GenerateDumpAndPrintCallstack(EXCEPTION_POINTERS* pExceptionPointers);
+
+#endif  // SK_BUILD_FOR_WIN32
+
+#endif  // win_dbghelp_DEFINED