Fix g_k_* symbols after blink rename.

third_party/WebKit/Source/core/html/HTMLIFrameElementSandbox.cpp

Index: third_party/WebKit/Source/core/html/HTMLIFrameElementSandbox.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLIFrameElementSandbox.cpp b/third_party/WebKit/Source/core/html/HTMLIFrameElementSandbox.cpp
index b370dcdb8b36a7c83511206d9b632f24a094ad36..24fe06442097857c4e1f9eb7f8c6c237b8c540d9 100644
--- a/third_party/WebKit/Source/core/html/HTMLIFrameElementSandbox.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLIFrameElementSandbox.cpp
@@ -10,17 +10,17 @@ namespace blink {
 
 namespace {
 
-const char* g_k_supported_tokens[] = {"allow-forms",
-                                      "allow-modals",
-                                      "allow-pointer-lock",
-                                      "allow-popups",
-                                      "allow-popups-to-escape-sandbox",
-                                      "allow-same-origin",
-                                      "allow-scripts",
-                                      "allow-top-navigation"};
+const char* const kSupportedTokens[] = {"allow-forms",
+                                        "allow-modals",
+                                        "allow-pointer-lock",
+                                        "allow-popups",
+                                        "allow-popups-to-escape-sandbox",
+                                        "allow-same-origin",
+                                        "allow-scripts",
+                                        "allow-top-navigation"};
 
 bool IsTokenSupported(const AtomicString& token) {
-  for (const char* supported_token : g_k_supported_tokens) {
+  for (const char* supported_token : kSupportedTokens) {
     if (token == supported_token)
       return true;
   }