Spellcheck : Fix caching in cases where text is deleted.

components/spellcheck/renderer/spellcheck_provider_test.h

 // 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.
 
 #ifndef COMPONENTS_SPELLCHECK_RENDERER_SPELLCHECK_PROVIDER_TEST_H_
 #define COMPONENTS_SPELLCHECK_RENDERER_SPELLCHECK_PROVIDER_TEST_H_
 
 #include <stddef.h>
 
 #include <vector>
@@ skipping 32 matching lines @@
   explicit TestingSpellCheckProvider(SpellCheck* spellcheck);
 
   ~TestingSpellCheckProvider() override;
   bool Send(IPC::Message* message) override;
   void OnCallSpellingService(int route_id,
                              int identifier,
                              const base::string16& text,
                              const std::vector<SpellCheckMarker>& markers);
   void ResetResult();
 
+  void SetLastResults(
+      const base::string16 last_request,
+      blink::WebVector<blink::WebTextCheckingResult>& last_results);
+  bool SatisfyRequestFromCache(const base::string16& text,
+                               blink::WebTextCheckingCompletion* completion);
+
   base::string16 text_;
   ScopedVector<IPC::Message> messages_;
   size_t spelling_service_call_count_;
 };
 
 // SpellCheckProvider test fixture.
 class SpellCheckProviderTest : public testing::Test {
  public:
   SpellCheckProviderTest();
   ~SpellCheckProviderTest() override;
 
  protected:
   TestingSpellCheckProvider provider_;
 };
 
 #endif  // COMPONENTS_SPELLCHECK_RENDERER_SPELLCHECK_PROVIDER_TEST_H_