Implemented the customer installed-base view

src/background/messages.js

@@ -4,6 +4,7 @@ function registerBackgroundMessages({
   getXsrfTokenCookie,
   refreshXsrfCookie,
   requestAccountPlans,
+  requestInstallBase,
   requestConsumerTokenService,
   requestConsumptionTrend,
   requestOpptyProducts,
@@ -83,6 +84,14 @@ runtimeApi.runtime.onMessage.addListener((message, sender, sendResponse) => {
       return true;
     }
 
+    if (message.type === messageTypes.requestInstallBase) {
+      requestInstallBase(message).then(sendResponse).catch(error => sendResponse({
+        ok: false, error: error.message || "Unable to load installed base.",
+        debugRequests: Array.isArray(error.debugRequests) ? error.debugRequests : []
+      }));
+      return true;
+    }
+
     if (message.type === messageTypes.requestAccountPlans) {
       requestAccountPlans(message)
         .then(sendResponse)