[WIP] Add support for Android SuggestionSpans when editing text

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 38be970760fc303f6094a97112dfaf54ef203196..55ca5fad1e554a809003fcbbc948638b7ed53fd2 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -526,6 +526,10 @@ bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) {
                         OnQueueSyntheticGesture)
     IPC_MESSAGE_HANDLER(InputHostMsg_ImeCancelComposition,
                         OnImeCancelComposition)
+    IPC_MESSAGE_HANDLER(InputHostMsg_ImeCompositionRangeChanged,
+                        OnImeCompositionRangeChanged)
+    IPC_MESSAGE_HANDLER(InputHostMsg_ShowTextSuggestionMenu,
+                        OnShowTextSuggestionMenu)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Close, OnClose)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateScreenRects_ACK,
                         OnUpdateScreenRectsAck)
@@ -543,8 +547,6 @@ bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) {
                         OnShowDisambiguationPopup)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SelectionBoundsChanged,
                         OnSelectionBoundsChanged)
-    IPC_MESSAGE_HANDLER(InputHostMsg_ImeCompositionRangeChanged,
-                        OnImeCompositionRangeChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidFirstPaintAfterLoad,
                         OnFirstPaintAfterLoad)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetNeedsBeginFrames, OnSetNeedsBeginFrames)
@@ -1657,6 +1659,20 @@ void RenderWidgetHostImpl::ImeCancelComposition() {
             gfx::Range::InvalidRange(), 0, 0));
 }
 
+void RenderWidgetHostImpl::ImeApplySuggestionReplacement(int documentMarkerID,
+                                                         int suggestionIndex) {
+  Send(new InputMsg_ImeApplySuggestionReplacement(
+      GetRoutingID(), documentMarkerID, suggestionIndex));
+}
+
+void RenderWidgetHostImpl::ImeDeleteSuggestionHighlight() {
+  Send(new InputMsg_ImeDeleteSuggestionHighlight(GetRoutingID()));
+}
+
+void RenderWidgetHostImpl::ImeCloseSuggestionMenu() {
+  Send(new InputMsg_ImeCloseSuggestionMenu(GetRoutingID()));
+}
+
 void RenderWidgetHostImpl::RejectMouseLockOrUnlockIfNecessary() {
   DCHECK(!pending_mouse_lock_request_ || !IsMouseLocked());
   if (pending_mouse_lock_request_) {
@@ -2000,6 +2016,12 @@ void RenderWidgetHostImpl::OnImeCancelComposition() {
     view_->ImeCancelComposition();
 }
 
+void RenderWidgetHostImpl::OnShowTextSuggestionMenu(
+    const std::vector<blink::WebTextSuggestionInfo>& suggestionInfos) {
+  if (view_)
+    view_->ShowTextSuggestionMenu(suggestionInfos);
+}
+
 void RenderWidgetHostImpl::OnLockMouse(bool user_gesture,
                                        bool last_unlocked_by_target,
                                        bool privileged) {