[WIP] Add support for Android SuggestionSpans when editing text

third_party/WebKit/public/web/WebInputMethodController.h

Index: third_party/WebKit/public/web/WebInputMethodController.h
diff --git a/third_party/WebKit/public/web/WebInputMethodController.h b/third_party/WebKit/public/web/WebInputMethodController.h
index 090d2be7657ef0e9f76d28459120c3de1f99c67f..e352ee0fa35179a2df225ac686dcdac2e5338b9a 100644
--- a/third_party/WebKit/public/web/WebInputMethodController.h
+++ b/third_party/WebKit/public/web/WebInputMethodController.h
@@ -6,8 +6,10 @@
 #define WebInputMethodController_h
 
 #include "../platform/WebTextInputInfo.h"
+
 #include "WebCompositionUnderline.h"
 #include "WebTextInputType.h"
+#include "WebTextSuggestionInfo.h"
 #include "WebWidget.h"
 
 namespace blink {
@@ -46,6 +48,11 @@ class WebInputMethodController {
   virtual bool finishComposingText(
       ConfirmCompositionBehavior selectionBehavior) = 0;
 
+  virtual void applySuggestionReplacement(int documentMarkerID,
+                                          int suggestionIndex) = 0;
+  virtual void deleteSuggestionHighlight() = 0;
+  virtual void suggestionMenuClosed() = 0;
+
   // Returns information about the current text input of this controller. Note
   // that this query can be expensive for long fields, as it returns the
   // plain-text representation of the current editable element. Consider using
@@ -54,6 +61,15 @@ class WebInputMethodController {
 
   // Returns the type of current text input of this controller.
   virtual WebTextInputType textInputType() { return WebTextInputTypeNone; }
+
+  // Returns a list of text suggestion spans under the selection caret
+  // (if the selection is not of type caret, returns an empty vector)
+  virtual WebVector<WebTextSuggestionInfo>
+  getTextSuggestionInfosUnderCaret() = 0;

[esprehn, 2017/01/31 22:41:35]

We shouldn't need this or prepareForTextSuggestionMenuToBeShown.

[rlanday, 2017/01/31 23:30:10]

Because everything's going to be in mojo? Ok

+
+  // Called to let the controller prepare for a text suggestion menu to be shown
+  // (e.g. by hiding the selection caret)
+  virtual void prepareForTextSuggestionMenuToBeShown() = 0;
 };
 
 }  // namespace blink