[WIP][DO NOT LAND] Componentize spellcheck

chrome/renderer/spellchecker/spellcheck_provider.h

Index: chrome/renderer/spellchecker/spellcheck_provider.h
diff --git a/chrome/renderer/spellchecker/spellcheck_provider.h b/chrome/renderer/spellchecker/spellcheck_provider.h
deleted file mode 100644
index 822b409087a37703a06b50a64df37adba639eb29..0000000000000000000000000000000000000000
--- a/chrome/renderer/spellchecker/spellcheck_provider.h
+++ /dev/null
@@ -1,137 +0,0 @@
-// 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 CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_PROVIDER_H_
-#define CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_PROVIDER_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <vector>
-
-#include "base/id_map.h"
-#include "base/macros.h"
-#include "content/public/renderer/render_view_observer.h"
-#include "content/public/renderer/render_view_observer_tracker.h"
-#include "third_party/WebKit/public/web/WebSpellCheckClient.h"
-
-class RenderView;
-class SpellCheck;
-class SpellCheckMarker;
-struct SpellCheckResult;
-
-namespace blink {
-class WebString;
-class WebTextCheckingCompletion;
-struct WebTextCheckingResult;
-}
-
-// This class deals with invoking browser-side spellcheck mechanism
-// which is done asynchronously.
-class SpellCheckProvider
-    : public content::RenderViewObserver,
-      public content::RenderViewObserverTracker<SpellCheckProvider>,
-      public blink::WebSpellCheckClient {
- public:
-  typedef IDMap<blink::WebTextCheckingCompletion> WebTextCheckCompletions;
-
-  SpellCheckProvider(content::RenderView* render_view,
-                     SpellCheck* spellcheck);
-  ~SpellCheckProvider() override;
-
-  // Requests async spell and grammar checker to the platform text
-  // checker, which is available on the browser process.
-  void RequestTextChecking(
-      const base::string16& text,
-      blink::WebTextCheckingCompletion* completion,
-      const std::vector<SpellCheckMarker>& markers);
-
-  // The number of ongoing IPC requests.
-  size_t pending_text_request_size() const {
-    return text_check_completions_.size();
-  }
-
-  // Replace shared spellcheck data.
-  void set_spellcheck(SpellCheck* spellcheck) { spellcheck_ = spellcheck; }
-
-  // Enables document-wide spellchecking.
-  void EnableSpellcheck(bool enabled);
-
-  // RenderViewObserver implementation.
-  bool OnMessageReceived(const IPC::Message& message) override;
-  void FocusedNodeChanged(const blink::WebNode& node) override;
-
- private:
-  friend class TestingSpellCheckProvider;
-
-  // Tries to satisfy a spell check request from the cache in |last_request_|.
-  // Returns true (and cancels/finishes the completion) if it can, false
-  // if the provider should forward the query on.
-  bool SatisfyRequestFromCache(const base::string16& text,
-                               blink::WebTextCheckingCompletion* completion);
-
-  // RenderViewObserver implementation.
-  void OnDestruct() override;
-
-  // blink::WebSpellCheckClient implementation.
-  void spellCheck(
-      const blink::WebString& text,
-      int& offset,
-      int& length,
-      blink::WebVector<blink::WebString>* optional_suggestions) override;
-  void checkTextOfParagraph(
-      const blink::WebString& text,
-      blink::WebTextCheckingTypeMask mask,
-      blink::WebVector<blink::WebTextCheckingResult>* results) override;
-
-  void requestCheckingOfText(
-      const blink::WebString& text,
-      const blink::WebVector<uint32_t>& markers,
-      const blink::WebVector<unsigned>& marker_offsets,
-      blink::WebTextCheckingCompletion* completion) override;
-
-  void showSpellingUI(bool show) override;
-  bool isShowingSpellingUI() override;
-  void updateSpellingUIWithMisspelledWord(
-      const blink::WebString& word) override;
-
-#if !defined(USE_BROWSER_SPELLCHECKER)
-  void OnRespondSpellingService(
-      int identifier,
-      bool succeeded,
-      const base::string16& text,
-      const std::vector<SpellCheckResult>& results);
-#endif
-
-  // Returns whether |text| has word characters, i.e. whether a spellchecker
-  // needs to check this text.
-  bool HasWordCharacters(const base::string16& text, int index) const;
-
-#if defined(USE_BROWSER_SPELLCHECKER)
-  void OnAdvanceToNextMisspelling();
-  void OnRespondTextCheck(
-      int identifier,
-      const base::string16& line,
-      const std::vector<SpellCheckResult>& results);
-  void OnToggleSpellPanel(bool is_currently_visible);
-#endif
-
-  // Holds ongoing spellchecking operations, assigns IDs for the IPC routing.
-  WebTextCheckCompletions text_check_completions_;
-
-  // The last text sent to the browser process to spellcheck it and its
-  // spellchecking results.
-  base::string16 last_request_;
-  blink::WebVector<blink::WebTextCheckingResult> last_results_;
-
-  // True if the browser is showing the spelling panel for us.
-  bool spelling_panel_visible_;
-
-  // Weak pointer to shared (per RenderView) spellcheck data.
-  SpellCheck* spellcheck_;
-
-  DISALLOW_COPY_AND_ASSIGN(SpellCheckProvider);
-};
-
-#endif  // CHROME_RENDERER_SPELLCHECKER_SPELLCHECK_PROVIDER_H_