Make the order of methods in the cc files match the headers in base/.

base/version.cc

Index: base/version.cc
diff --git a/base/version.cc b/base/version.cc
index 384be0aec3ea0ad4755643e340b4a6af281363bb..571672c801d8255b6db2285317fd932a98f992b3 100644
--- a/base/version.cc
+++ b/base/version.cc
@@ -12,6 +12,10 @@
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 
+Version::Version() : is_valid_(false) {}
+
+Version::~Version() {}
+
 // static
 Version* Version::GetVersionFromString(const std::string& version_str) {
   Version* vers = new Version();
@@ -23,10 +27,6 @@ Version* Version::GetVersionFromString(const std::string& version_str) {
   return NULL;
 }
 
-Version::Version() : is_valid_(false) {}
-
-Version::~Version() {}
-
 Version* Version::Clone() const {
   DCHECK(is_valid_);
   Version* copy = new Version();