Cleanup: Correctly spell success(ful).

ios/web/crw_browsing_data_store_unittest.mm

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/web/public/crw_browsing_data_store.h"
 
 #include "base/ios/ios_util.h"
 #include "base/logging.h"
 #import "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 135 matching lines @@
     return;
   }
 
   MakeInactive();
   base::scoped_nsobject<CRWTestBrowsingDataStoreObserver> observer(
       [[CRWTestBrowsingDataStoreObserver alloc]
           initWithBrowsingDataStore:browsing_data_store_]);
   EXPECT_EQ(0U, [observer modeChangeCount]);
 
   __block int callbacks_received_count = 0;
-  void (^unsucessfullCallback)(BOOL) = ^(BOOL success) {
+  void (^unsuccessfullCallback)(BOOL) = ^(BOOL success) {
     ASSERT_TRUE([NSThread isMainThread]);
     ++callbacks_received_count;
     BrowsingDataStoreMode mode = [browsing_data_store_ mode];
     EXPECT_FALSE(success);
     EXPECT_EQ(CHANGING, mode);
   };
 
   [browsing_data_store_ makeActiveWithCompletionHandler:^(BOOL success) {
     EXPECT_EQ(0, callbacks_received_count);
-    unsucessfullCallback(success);
+    unsuccessfullCallback(success);
   }];
   EXPECT_EQ(CHANGING, [browsing_data_store_ mode]);
   EXPECT_EQ(1U, [observer modeChangeCount]);
 
   [browsing_data_store_ makeInactiveWithCompletionHandler:^(BOOL success) {
     EXPECT_EQ(1, callbacks_received_count);
-    unsucessfullCallback(success);
+    unsuccessfullCallback(success);
   }];
   EXPECT_EQ(CHANGING, [browsing_data_store_ mode]);
 
   [browsing_data_store_ makeActiveWithCompletionHandler:^(BOOL success) {
     EXPECT_EQ(2, callbacks_received_count);
-    unsucessfullCallback(success);
+    unsuccessfullCallback(success);
   }];
   EXPECT_EQ(CHANGING, [browsing_data_store_ mode]);
 
   __block BOOL block_was_called = NO;
   [browsing_data_store_ makeInactiveWithCompletionHandler:^(BOOL success) {
     ASSERT_TRUE([NSThread isMainThread]);
     EXPECT_EQ(3, callbacks_received_count);
     BrowsingDataStoreMode mode = [browsing_data_store_ mode];
     EXPECT_TRUE(success);
     EXPECT_EQ(INACTIVE, mode);
@@ skipping 50 matching lines @@
 
   ASSERT_EQ(ACTIVE, [browsing_data_store_ mode]);
 
   [browsing_data_store_ makeInactiveWithCompletionHandler:nil];
   // |removeDataOfTypes| is called immediately after a |makeInactive| call.
   RemoveDataOfTypes(BROWSING_DATA_TYPE_COOKIES);
   EXPECT_EQ(INACTIVE, [browsing_data_store_ mode]);
 }
 
 }  // namespace web