Vision: Add 'gccl' header. (#2228)

Author: landrito

packages/google-cloud-vision/src/index.js

@@ -60,6 +60,11 @@ function Vision(options) {
     return new Vision(options);
   }
 
+  options = extend({}, options, {
+    libName: 'gccl',
+    libVersion: require('../package.json').version
+  });
+
   this.api = {
     Vision: v1(options).imageAnnotatorClient(options)
   };

packages/google-cloud-vision/test/index.js

@@ -106,11 +106,15 @@ describe('Vision', function() {
       var expectedVisionClient = {};
 
       fakeV1Override = function(options) {
-        assert.strictEqual(options, OPTIONS);
+        var expected = extend({}, OPTIONS, {
+          libName: 'gccl',
+          libVersion: require('../package.json').version
+        });
+        assert.deepStrictEqual(options, expected);
 
         return {
           imageAnnotatorClient: function(options) {
-            assert.strictEqual(options, OPTIONS);
+            assert.deepStrictEqual(options, expected);
             return expectedVisionClient;
           }
         };