Android: Add chrome-specific dynamic linker.

base/android/linker/crazy_linker/src/crazy_linker_error.h

+// 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.
+
+#ifndef CRAZY_LINKER_ERROR_H
+#define CRAZY_LINKER_ERROR_H
+
+namespace crazy {
+
+// A class used to hold a fixed-size buffer to hold error messages
+// as well as perform assignment and formatting.
+//
+// Usage examples:
+//     Error error;
+//     error = "Unimplemented feature";
+//     error->Set("Unimplemented feature");
+//     error->Format("Feature %s is not implemented", feature_name);
+//     error->Append(strerror(errno));
+//     error->AppendFormat("Error: %s", strerror(errno));
+//
+class Error {
+public:
+  Error() {
+    buff_[0] = '\0';
+  }
+
+  Error(const char* message) {
+    Set(message);
+  }
+
+  Error(const Error& other) {
+    Set(other.buff_);
+  }
+
+  const char* c_str() const { return buff_; }
+
+  void Set(const char* message);
+
+  void Format(const char* fmt, ...);
+
+  void Append(const char* message);
+
+  void AppendFormat(const char* fmt, ...);
+
+private:
+  char buff_[512];
+};
+
+}  // namespace crazy
+
+#endif  // CRAZY_LINKER_ERROR_H