Add public key and signature verification to browser-side API keys

content/common/experiments/api_key.cc

Index: content/common/experiments/api_key.cc
diff --git a/content/common/experiments/api_key.cc b/content/common/experiments/api_key.cc
index 09b607f5a523005feca5332e64728b2801dfb127..2143692dcebbed61399324acfb8cb265f743d271 100644
--- a/content/common/experiments/api_key.cc
+++ b/content/common/experiments/api_key.cc
@@ -19,7 +19,8 @@ namespace content {
 namespace {
 
 const char* kApiKeyFieldSeparator = "|";
-}
+
+}  // namespace
 
 ApiKey::~ApiKey() {}
 
@@ -30,6 +31,8 @@ scoped_ptr<ApiKey> ApiKey::Parse(const std::string& key_text) {
 
   // API Key should resemble:
   // signature|origin|api_name|expiry_timestamp
+  // TODO(iclelland): Add version code to API key format to identify key algo
+  // https://crbug.com/570684
   std::vector<std::string> parts =
       SplitString(key_text, kApiKeyFieldSeparator, base::KEEP_WHITESPACE,
                   base::SPLIT_WANT_ALL);
@@ -76,12 +79,6 @@ bool ApiKey::IsAppropriate(const std::string& origin,
   return ValidateOrigin(origin) && ValidateApiName(api_name);
 }
 
-bool ApiKey::IsValid(const base::Time& now) const {
-  // TODO(iclelland): Validate signature on key data here as well.
-  // https://crbug.com/543215
-  return ValidateDate(now);
-}
-
 bool ApiKey::ValidateOrigin(const std::string& origin) const {
   return GURL(origin) == origin_;
 }