Browser Side Text Input State Tracking for OOPIF.

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 589 matching lines @@
   bool IsFullscreenForCurrentTab(
       RenderWidgetHostImpl* render_widget_host) const override;
   blink::WebDisplayMode GetDisplayMode(
       RenderWidgetHostImpl* render_widget_host) const override;
   void LostCapture(RenderWidgetHostImpl* render_widget_host) override;
   void LostMouseLock(RenderWidgetHostImpl* render_widget_host) override;
   void ForwardCompositorProto(RenderWidgetHostImpl* render_widget_host,
                               const std::vector<uint8_t>& proto) override;
   void OnRenderFrameProxyVisibilityChanged(bool visible) override;
   void SendScreenRects() override;
+  TextInputState GetTextInputState() override;
+  void UpdateTextInputState(RenderWidgetHostViewBase* rwhv,
+                            bool text_input_state_changed) override;
 
   // RenderFrameHostManager::Delegate ------------------------------------------
 
   bool CreateRenderViewForRenderManager(
       RenderViewHost* render_view_host,
       int opener_frame_routing_id,
       int proxy_routing_id,
       const FrameReplicationState& replicated_frame_state) override;
   void CreateRenderWidgetHostViewForRenderManager(
       RenderViewHost* render_view_host) override;
@@ skipping 697 matching lines @@
 
   // Manages media players, CDMs, and power save blockers for media.
   scoped_ptr<MediaWebContentsObserver> media_web_contents_observer_;
 
   scoped_ptr<RenderWidgetHostInputEventRouter> rwh_input_event_router_;
 
   PageImportanceSignals page_importance_signals_;
 
   bool page_scale_factor_is_one_;
 
+  // The RWHV which is currently focused.
+  TextInputState text_input_state_;
+  base::WeakPtr<RenderWidgetHostViewBase> view_with_active_text_input_;

[Charlie Reis, 2016/04/01 21:24:10]

nit: List before text_input_state_, and maybe mention in the comment that
text_input_state_ is specific to this RWHV.

[EhsanK, 2016/04/02 03:14:02]

Done.

+
   base::WeakPtrFactory<WebContentsImpl> loading_weak_factory_;
   base::WeakPtrFactory<WebContentsImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 // Dangerous methods which should never be made part of the public API, so we
 // grant their use only to an explicit friend list (c++ attorney/client idiom).
 class CONTENT_EXPORT WebContentsImpl::FriendZone {
  private:
   friend class TestNavigationObserver;
   friend class WebContentsAddedObserver;
   friend class ContentBrowserSanityChecker;
 
   FriendZone();  // Not instantiable.
 
   // 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_