[Experimental Framework] Move the trial token public key out of content and into the embedder.

content/renderer/origin_trials/trial_token_validator.cc

Index: content/renderer/origin_trials/trial_token_validator.cc
diff --git a/content/renderer/origin_trials/trial_token_validator.cc b/content/renderer/origin_trials/trial_token_validator.cc
index bbdd85728cf3df84cda88c3a893dd1b7eeba2d82..1df8dc78c3d1c193d4f036aa1a5f4cca7232d6a8 100644
--- a/content/renderer/origin_trials/trial_token_validator.cc
+++ b/content/renderer/origin_trials/trial_token_validator.cc
@@ -5,6 +5,8 @@
 #include "content/renderer/origin_trials/trial_token_validator.h"
 
 #include "base/time/time.h"
+#include "content/public/common/content_client.h"
+#include "content/public/renderer/content_renderer_client.h"
 #include "content/renderer/origin_trials/trial_token.h"
 
 namespace content {
@@ -15,10 +17,17 @@ TrialTokenValidator::~TrialTokenValidator() {}
 bool TrialTokenValidator::validateToken(const blink::WebString& token,
                                         const blink::WebString& origin,
                                         const blink::WebString& featureName) {
-  scoped_ptr<TrialToken> trialToken = TrialToken::Parse(token.utf8());
-  return trialToken &&
-         trialToken->IsAppropriate(origin.utf8(), featureName.utf8()) &&
-         trialToken->IsValid(base::Time::Now());
+  scoped_ptr<TrialToken> trial_token = TrialToken::Parse(token.utf8());
+
+  ContentClient* content_client = GetContentClient();
+  CHECK(content_client);
+
+  base::StringPiece public_key =
+      content_client->renderer()->GetOriginTrialPublicKey();
+
+  return !public_key.empty() && trial_token &&
+         trial_token->IsAppropriate(origin.utf8(), featureName.utf8()) &&
+         trial_token->IsValid(base::Time::Now(), public_key);
 }
 
 }  // namespace content