Revert of Implement webview.captureVisibleRegion()

extensions/test/data/web_view/apitest/main.js

Index: extensions/test/data/web_view/apitest/main.js
diff --git a/extensions/test/data/web_view/apitest/main.js b/extensions/test/data/web_view/apitest/main.js
index b20302508564e5402717302b2632b25869ea782d..983212cc0910060ed74a200278aba3129f50e490 100644
--- a/extensions/test/data/web_view/apitest/main.js
+++ b/extensions/test/data/web_view/apitest/main.js
@@ -1682,28 +1682,6 @@
     return {cancel: true};
   }, { urls: ['<all_urls>']}, ['blocking']) ;
   webview.src = 'http://clients6.google.com';
-  document.body.appendChild(webview);
-}
-
-// This is a basic test to verify that image data is returned by
-// captureVisibleRegion().
-function testCaptureVisibleRegion() {
-  var webview = document.createElement('webview');
-  webview.setAttribute('src', 'data:text/html,webview test');
-
-  webview.addEventListener('loadstop', function(e) {
-    webview.captureVisibleRegion({}, function(imgdata) {
-      if (chrome.runtime.lastError) {
-        console.log('webview.apitest.testCaptureVisibleRegion: ' +
-            chrome.runtime.lastError.message);
-        embedder.test.fail();
-      } else {
-        embedder.test.assertTrue(
-            imgdata.indexOf('data:image/jpeg;base64') == 0);
-        embedder.test.succeed();
-      }
-    });
-  });
   document.body.appendChild(webview);
 }
 
@@ -1774,8 +1752,7 @@
   'testWebRequestAPI': testWebRequestAPI,
   'testWebRequestAPIWithHeaders': testWebRequestAPIWithHeaders,
   'testWebRequestAPIExistence': testWebRequestAPIExistence,
-  'testWebRequestAPIGoogleProperty': testWebRequestAPIGoogleProperty,
-  'testCaptureVisibleRegion' : testCaptureVisibleRegion
+  'testWebRequestAPIGoogleProperty': testWebRequestAPIGoogleProperty
 };
 
 onload = function() {