Apply automatic range checks to content enum types across IPC.

This is part of a long-running background task to remove the remaining
uses of the unchecked IPC_ENUM_TRAITS() macro.

BUG=246708

Review URL: https://codereview.chromium.org/603893002

Cr-Commit-Position: refs/heads/master@{#296894}

content/common/android/gin_java_bridge_errors.h

@@ -18,6 +18,7 @@ enum GinJavaBridgeError {
   kGinJavaBridgeJavaExceptionRaised,
   kGinJavaBridgeNonAssignableTypes,
   kGinJavaBridgeRenderFrameDeleted,
+  kGinJavaBridgeErrorLast = kGinJavaBridgeRenderFrameDeleted
 };
 
 CONTENT_EXPORT const char* GinJavaBridgeErrorToString(GinJavaBridgeError error);

content/common/gin_java_bridge_messages.h

@@ -17,7 +17,8 @@
 
 // Messages for handling Java objects injected into JavaScript -----------------
 
-IPC_ENUM_TRAITS(content::GinJavaBridgeError)
+IPC_ENUM_TRAITS_MAX_VALUE(content::GinJavaBridgeError,
+                          content::kGinJavaBridgeErrorLast)
 
 // Sent from browser to renderer to add a Java object with the given name.
 // Object IDs are generated on the browser side.