Switch to using the message loop rather than gtk_main().

base/logging.h

 // Copyright (c) 2006-2008 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 BASE_LOGGING_H_
 #define BASE_LOGGING_H_
 
 #include <string>
 #include <cstring>
 #include <sstream>
@@ skipping 495 matching lines @@
 //   2 -- Fail at compile time
 //   3 -- Fail at runtime (DCHECK)
 //   4 -- [default] LOG(ERROR) at runtime
 //   5 -- LOG(ERROR) at runtime, only once per call-site
 
 #ifndef NOTIMPLEMENTED_POLICY
 // Select default policy: LOG(ERROR)
 #define NOTIMPLEMENTED_POLICY 4
 #endif
 
+#if defined(COMPILER_GCC)
+// On Linux, with GCC, we can use __PRETTY_FUNCTION__ to get the demangled name
+// of the current function in the NOTIMPLEMENTED message.
+#define NOTIMPLEMENTED_MSG "Not implemented reached in " << __PRETTY_FUNCTION__
+#else
+#define NOTIMPLEMENTED_MSG "NOT IMPLEMENTED"
+#endif
+
 #if NOTIMPLEMENTED_POLICY == 0
 #define NOTIMPLEMENTED() ;
 #elif NOTIMPLEMENTED_POLICY == 1
 // TODO, figure out how to generate a warning
 #define NOTIMPLEMENTED() COMPILE_ASSERT(false, NOT_IMPLEMENTED)
 #elif NOTIMPLEMENTED_POLICY == 2
 #define NOTIMPLEMENTED() COMPILE_ASSERT(false, NOT_IMPLEMENTED)
 #elif NOTIMPLEMENTED_POLICY == 3
 #define NOTIMPLEMENTED() NOTREACHED()
 #elif NOTIMPLEMENTED_POLICY == 4
-#define NOTIMPLEMENTED() LOG(ERROR) << "NOT IMPLEMENTED!"
+#define NOTIMPLEMENTED() LOG(ERROR) << NOTIMPLEMENTED_MSG
 #elif NOTIMPLEMENTED_POLICY == 5
 #define NOTIMPLEMENTED() do {\
   static int count = 0;\
-  LOG_IF(ERROR, 0 == count++) << "NOT IMPLEMENTED!";\
+  LOG_IF(ERROR, 0 == count++) << NOTIMPLEMENTED_MSG;\
 } while(0)
 #endif
 
 #endif  // BASE_LOGGING_H_