Add more fine-grained accessibility modes.

content/browser/web_contents/web_contents_impl.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 CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <stdint.h>
 
 #include <functional>
@@ skipping 208 matching lines @@
   void WasOccluded();
   void WasUnOccluded();
 
   // Broadcasts the mode change to all frames.
   void SetAccessibilityMode(AccessibilityMode mode);
 
   // Adds the given accessibility mode to the current accessibility mode
   // bitmap.
   void AddAccessibilityMode(AccessibilityMode mode);
 
-  // Removes the given accessibility mode from the current accessibility
-  // mode bitmap, managing the bits that are shared with other modes such
-  // that a bit will only be turned off when all modes that depend on it
-  // have been removed.
-  void RemoveAccessibilityMode(AccessibilityMode mode);
-
   // Request a one-time snapshot of the accessibility tree without changing
   // the accessibility mode.
   using AXTreeSnapshotCallback =
       base::Callback<void(
           const ui::AXTreeUpdate&)>;
   void RequestAXTreeSnapshot(AXTreeSnapshotCallback callback);
 
   // Set a temporary zoom level for the frames associated with this WebContents.
   // If |is_temporary| is true, we are setting a new temporary zoom level,
   // otherwise we are clearing a previously set temporary zoom level.
@@ skipping 42 matching lines @@
   void ClosePage() override;
   RenderWidgetHostView* GetFullscreenRenderWidgetHostView() const override;
   SkColor GetThemeColor() const override;
   std::unique_ptr<WebUI> CreateSubframeWebUI(
       const GURL& url,
       const std::string& frame_name) override;
   WebUI* GetWebUI() const override;
   WebUI* GetCommittedWebUI() const override;
   void SetUserAgentOverride(const std::string& override) override;
   const std::string& GetUserAgentOverride() const override;
-  void EnableTreeOnlyAccessibilityMode() override;
-  bool IsTreeOnlyAccessibilityModeForTesting() const override;
+  void EnableWebContentsOnlyAccessibilityMode() override;
+  bool IsWebContentsOnlyAccessibilityModeForTesting() const override;
   bool IsFullAccessibilityModeForTesting() const override;
   const PageImportanceSignals& GetPageImportanceSignals() const override;
   const base::string16& GetTitle() const override;
   void UpdateTitleForEntry(NavigationEntry* entry,
                            const base::string16& title) override;
   SiteInstanceImpl* GetSiteInstance() const override;
   SiteInstanceImpl* GetPendingSiteInstance() const override;
   bool IsLoading() const override;
   bool IsLoadingToDifferentDocument() const override;
   bool IsWaitingForResponse() const override;
@@ skipping 1185 matching lines @@
   // Adds/removes a callback called on creation of each new WebContents.
   static void AddCreatedCallbackForTesting(const CreatedCallback& callback);
   static void RemoveCreatedCallbackForTesting(const CreatedCallback& callback);
 
   DISALLOW_COPY_AND_ASSIGN(FriendZone);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_