Adding support for overlapping ranges to RangeMap.

src/processor/microdump.cc

 // Copyright (c) 2014 Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 86 matching lines @@
 }  // namespace
 
 namespace google_breakpad {
 
 //
 // MicrodumpModules
 //
 
 void MicrodumpModules::Add(const CodeModule* module) {
   linked_ptr<const CodeModule> module_ptr(module);
-  if (!map_->StoreRange(module->base_address(), module->size(), module_ptr)) {
+  if (!map_.StoreRange(module->base_address(), 0 /* delta */, module->size(),
+                       module_ptr)) {
     BPLOG(ERROR) << "Module " << module->code_file() <<
                     " could not be stored";
   }
 }
 
 
 //
 // MicrodumpContext
 //
 
@@ skipping 254 matching lines @@
           filename,                   // debug_file
           identifier,                 // debug_identifier
           ""));                       // version
     }
   }
   stack_region_->Init(stack_start, stack_content);
 }
 
 }  // namespace google_breakpad