[Android] Adding Smart GO/NEXT feature in Chrome

third_party/WebKit/public/web/WebLocalFrame.h

 // Copyright 2014 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 WebLocalFrame_h
 #define WebLocalFrame_h
 
 #include <set>
 #include "WebCompositionUnderline.h"
 #include "WebFrame.h"
 #include "WebFrameLoadType.h"
 #include "WebHistoryItem.h"
 #include "public/platform/WebCachePolicy.h"
+#include "public/platform/WebFocusType.h"
 #include "public/platform/WebURLError.h"
 #include "public/platform/WebURLRequest.h"
 #include "public/platform/site_engagement.mojom-shared.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace blink {
 
@@ skipping 509 matching lines @@
 
   // Returns frame-specific task runner to run tasks of this type on.
   // They have the same lifetime as the frame.
   virtual base::SingleThreadTaskRunner* TimerTaskRunner() = 0;
   virtual base::SingleThreadTaskRunner* LoadingTaskRunner() = 0;
   virtual base::SingleThreadTaskRunner* UnthrottledTaskRunner() = 0;
 
   // Returns the WebInputMethodController associated with this local frame.
   virtual WebInputMethodController* GetInputMethodController() const = 0;
 
+  // Advance the focus of the WebView to next text input element from current
+  // input field wrt sequential navigation with TAB or Shift + TAB
+  // WebFocusTypeForward simulates TAB and WebFocusTypeBackward simulates
+  // Shift + TAB. (Will be extended to other form Controls like Select element

[tkent, 2017/05/14 23:24:59]

Controls -> controls
Select -> select

[AKVT, 2017/05/15 06:40:42]

Done.

+  // , Checkbox, Radio etc.)

[tkent, 2017/05/14 23:24:59]

Move "," to the end of the previous line.

Checkbox -> checkbox
Radio -> radio

[AKVT, 2017/05/15 06:40:42]

Done.

+  virtual void AdvanceFocusInForm(WebFocusType) = 0;
+
  protected:
   explicit WebLocalFrame(WebTreeScopeType scope) : WebFrame(scope) {}
 
   // Inherited from WebFrame, but intentionally hidden: it never makes sense
   // to call these on a WebLocalFrame.
   bool IsWebLocalFrame() const override = 0;
   WebLocalFrame* ToWebLocalFrame() override = 0;
   bool IsWebRemoteFrame() const override = 0;
   WebRemoteFrame* ToWebRemoteFrame() override = 0;
 };
 
 }  // namespace blink
 
 #endif  // WebLocalFrame_h