Cancel unnecessary spellcheck requests.

chrome/renderer/spellchecker/spellcheck_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "webkit/glue/webkit_glue.h"
 
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/platform_file.h"
@@ skipping 77 matching lines @@
 };
 
 // A fake completion object for verification.
 class MockTextCheckingCompletion : public WebKit::WebTextCheckingCompletion {
  public:
   MockTextCheckingCompletion()
       : completion_count_(0) {
   }
 
   virtual void didFinishCheckingText(
-      const WebKit::WebVector<WebKit::WebTextCheckingResult>& results) {
+      const WebKit::WebVector<WebKit::WebTextCheckingResult>& results)
+          OVERRIDE {
     completion_count_++;
     last_results_ = results;
   }
 
+  virtual void didCancelCheckingText() OVERRIDE {
+    completion_count_++;
+  }
+
   size_t completion_count_;
   WebKit::WebVector<WebKit::WebTextCheckingResult> last_results_;
 };
 
 // Operates unit tests for the webkit_glue::SpellCheckWord() function
 // with the US English dictionary.
 // The unit tests in this function consist of:
 //   * Tests for the function with empty strings;
 //   * Tests for the function with a valid English word;
 //   * Tests for the function with a valid non-English word;
@@ skipping 847 matching lines @@
   InitializeSpellCheck("en-US");
 
   // Calls PostDelayedSpellCheckTask instead of OnInit here for simplicity.
   spell_check()->PostDelayedSpellCheckTask();
   MessageLoop::current()->RunAllPending();
   for (int i = 0; i < 3; ++i)
     EXPECT_EQ(completion[i].completion_count_, 1U);
 }
 
 #endif