[Chrome OS ECHO]: Rename API and method names

chrome/common/extensions/api/echoPrivate.json

Index: chrome/common/extensions/api/echoPrivate.json
diff --git a/chrome/common/extensions/api/offersPrivate.json b/chrome/common/extensions/api/echoPrivate.json
similarity index 62%
rename from chrome/common/extensions/api/offersPrivate.json
rename to chrome/common/extensions/api/echoPrivate.json
index 94f91e133cabf07fe432e261d8009ac9c1ca17d2..905c1fac5e25fd40d798569f52266531acfde28c 100644
--- a/chrome/common/extensions/api/offersPrivate.json
+++ b/chrome/common/extensions/api/echoPrivate.json
@@ -4,13 +4,13 @@
 
 [
   {
-    "namespace": "offersPrivate",
+    "namespace": "echoPrivate",
     "nodoc": true,
     "platforms": ["chromeos"],
     "types": [],
     "functions": [
       {
-        "name": "getCouponCode",
+        "name": "getRegistrationCode",
         "description": "Get the group or coupon code from underlying storage.",
         "type": "function",
         "parameters": [
@@ -31,24 +31,6 @@
             ]
           }
         ]
-      },
-      {
-        "name": "getUserConsent",
-        "description": "Get user's consent by displaying an InfoBar.",
-        "type": "function",
-        "parameters": [
-          {
-            "name": "callback",
-            "type": "function",
-            "parameters": [
-              {
-                "name": "result",
-                "type": "boolean",
-                "description" : "Consent result."
-              }
-            ]
-          }
-        ]
       }
     ]
   }