Add a new code/message path for moving an insertion handle

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index e0ba3d9e38010195323d49d86d172f397d98901e..9be911f3b0638b7059e7251aeff044dec8e883f5 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -974,6 +974,7 @@ bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(ViewMsg_ExtendSelectionAndDelete,
                         OnExtendSelectionAndDelete)
     IPC_MESSAGE_HANDLER(ViewMsg_SelectRange, OnSelectRange)
+    IPC_MESSAGE_HANDLER(ViewMsg_MoveCaret, OnMoveCaret)
     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
     IPC_MESSAGE_HANDLER(ViewMsg_ExecuteEditCommand, OnExecuteEditCommand)
     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
@@ -1439,6 +1440,15 @@ void RenderViewImpl::OnSelectRange(const gfx::Point& start,
   handling_select_range_ = false;
 }
 
+void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
+  if (!webview())
+    return;
+
+  Send(new ViewHostMsg_MoveCaret_ACK(routing_id_));
+
+  webview()->focusedFrame()->moveCaretSelectionTowardsWindowPoint(point);
+}
+
 void RenderViewImpl::OnSetHistoryLengthAndPrune(int history_length,
                                                 int32 minimum_page_id) {
   DCHECK_GE(history_length, 0);