FBTF: Forward declare and move constructors in chrome/common/extensions/.

chrome/common/extensions/extension_message_bundle.cc

Index: chrome/common/extensions/extension_message_bundle.cc
diff --git a/chrome/common/extensions/extension_message_bundle.cc b/chrome/common/extensions/extension_message_bundle.cc
index 8dd52750fd6be258f0a63d5409aa755af24777d8..4e6222fd88d8cfe9ed5bddca3a8bb5c3aeca7dfc 100644
--- a/chrome/common/extensions/extension_message_bundle.cc
+++ b/chrome/common/extensions/extension_message_bundle.cc
@@ -14,6 +14,7 @@
 #include "base/scoped_ptr.h"
 #include "base/singleton.h"
 #include "base/stl_util-inl.h"
+#include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension_constants.h"
@@ -211,6 +212,9 @@ bool ExtensionMessageBundle::ReplaceMessages(std::string* text,
   return ReplaceMessagesWithExternalDictionary(dictionary_, text, error);
 }
 
+ExtensionMessageBundle::~ExtensionMessageBundle() {
+}
+
 // static
 bool ExtensionMessageBundle::ReplaceMessagesWithExternalDictionary(
     const SubstitutionMap& dictionary, std::string* text, std::string* error) {
@@ -270,6 +274,21 @@ bool ExtensionMessageBundle::ReplaceVariables(
   return true;
 }
 
+// static
+bool ExtensionMessageBundle::IsValidName(const std::string& name) {
+  if (name.empty())
+    return false;
+
+  std::string::const_iterator it = name.begin();
+  for (; it != name.end(); ++it) {
+    // Allow only ascii 0-9, a-z, A-Z, and _ in the name.
+    if (!IsAsciiAlpha(*it) && !IsAsciiDigit(*it) && *it != '_' && *it != '@')
+      return false;
+  }
+
+  return true;
+}
+
 // Dictionary interface.
 
 std::string ExtensionMessageBundle::GetL10nMessage(