Upgrade gtest to r267 and gmock to r173.

testing/gmock/src/gmock-printers.cc

Index: testing/gmock/src/gmock-printers.cc
diff --git a/testing/gmock/src/gmock-printers.cc b/testing/gmock/src/gmock-printers.cc
index e6d4001aafb5fd542d628bd5a556014a448a3083..922a7b2d8c03573069fa0cc0ea59efa1f6cf4d05 100644
--- a/testing/gmock/src/gmock-printers.cc
+++ b/testing/gmock/src/gmock-printers.cc
@@ -242,6 +242,11 @@ static void PrintCharsAsStringTo(const char* begin, size_t len, ostream* os) {
   *os << "\"";
 }
 
+// Prints a (const) char array of 'len' elements, starting at address 'begin'.
+void UniversalPrintArray(const char* begin, size_t len, ostream* os) {
+  PrintCharsAsStringTo(begin, len, os);
+}
+
 // Prints the given array of wide characters to the ostream.
 // The array starts at *begin, the length is len, it may include L'\0'
 // characters and may not be null-terminated.