Introducing the activityLogPrivate.deleteActivities() API call.

chrome/test/data/extensions/api_test/activity_log_private/test/test.js

Index: chrome/test/data/extensions/api_test/activity_log_private/test/test.js
diff --git a/chrome/test/data/extensions/api_test/activity_log_private/test/test.js b/chrome/test/data/extensions/api_test/activity_log_private/test/test.js
index a1b2b2b2d0ba24f8098ecd73e0d4dd4f4eb60f67..ee2643c8c2e0f8198fc2ef50aac1d80fe92a475f 100644
--- a/chrome/test/data/extensions/api_test/activity_log_private/test/test.js
+++ b/chrome/test/data/extensions/api_test/activity_log_private/test/test.js
@@ -368,6 +368,41 @@ testCases.push({
 });
 
 testCases.push({
+  func: function deleteActivities() {
+    var activityIds = [];
+    var filter = new Object();
+    filter.extensionId = FRIEND_EXTENSION_ID;
+    filter.activityType = 'any';
+    filter.apiCall = 'tabs.executeScript';
+    chrome.activityLogPrivate.getExtensionActivities(filter, function(result) {
+      chrome.test.assertEq(6, result['activities'].length);
+      for (var i = 0; i < result['activities'].length; i++)
+        activityIds.push(result['activities'][i]['activityId']);
+      chrome.test.assertEq(6, activityIds.length);
+      chrome.activityLogPrivate.deleteActivities(['-1', '-2', '-3']);
+      chrome.activityLogPrivate.getExtensionActivities(filter,
+          function(result) {
+            chrome.test.assertEq(6, result['activities'].length);
+            chrome.activityLogPrivate.deleteActivities([activityIds[0]]);
+            chrome.activityLogPrivate.getExtensionActivities(filter,
+                function(result) {
+                  chrome.test.assertEq(5, result['activities'].length);
+                  for (var i = 0; i < result['activities'].length; i++)
+                    chrome.test.assertFalse(activityIds[0] ==
+                        result['activities'][i]['activityId']);
+                  chrome.activityLogPrivate.deleteActivities(activityIds);
+                  chrome.activityLogPrivate.getExtensionActivities(filter,
+                      function(result) {
+                        chrome.test.assertEq(0, result['activities'].length);
+                        chrome.test.succeed();
+                      });
+                });
+          });
+    });
+  }
+});
+
+testCases.push({
   func: function deleteGoogleUrls() {
     chrome.test.getConfig(function(config) {
       chrome.activityLogPrivate.deleteUrls(