Limit use of default namespace in tests and utility programs (#71). r=bryner

- main is now the only thing you'll find in the default namespace.
   Everything else has been moved into an unnamed namespace.

http://groups.google.com/group/airbag-dev/browse_thread/thread/14130a0284a0307f


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@63 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/processor/postfix_evaluator_unittest.cc

@@ -26,6 +26,9 @@
 #include "google_airbag/processor/memory_region.h"
 
 
+namespace {
+
+
 using std::map;
 using std::string;
 using google_airbag::MemoryRegion;
@@ -84,7 +87,7 @@ struct EvaluateTestSet {
 };
 
 
-bool RunTests() {
+static bool RunTests() {
   // The first test set checks the basic operations and failure modes.
   PostfixEvaluator<unsigned int>::DictionaryType dictionary_0;
   const EvaluateTest evaluate_tests_0[] = {
@@ -274,6 +277,9 @@ bool RunTests() {
 }
 
 
+}  // namespace
+
+
 int main(int argc, char **argv) {
   return RunTests() ? 0 : 1;
 }