Eliminate redundant IPC used for showing the Windows virtual keyboard

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index ed5cc127b505814522cb614fb8d6a5090aa35340..3e5e25fca08b3f356a1be186a00de49308916aa1 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -832,7 +832,6 @@ bool RenderViewHostImpl::OnMessageReceived(const IPC::Message& msg) {
     IPC_MESSAGE_HANDLER(ViewHostMsg_ClosePage_ACK, OnClosePageACK)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidZoomURL, OnDidZoomURL)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RunFileChooser, OnRunFileChooser)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_FocusedNodeTouched, OnFocusedNodeTouched)
     // Have the super handle all other messages.
     IPC_MESSAGE_UNHANDLED(
         handled = RenderWidgetHostImpl::OnMessageReceived(msg))
@@ -1143,12 +1142,21 @@ void RenderViewHostImpl::OnTakeFocus(bool reverse) {
     view->TakeFocus(reverse);
 }
 
-void RenderViewHostImpl::OnFocusedNodeChanged(bool is_editable_node) {
+void RenderViewHostImpl::OnFocusedNodeChanged(
+    bool is_editable_node,
+    blink::WebInputEvent::Type causel_event_type) {
   is_focused_element_editable_ = is_editable_node;
   if (view_)
     view_->FocusedNodeChanged(is_editable_node);
 #if defined(OS_WIN)
-  if (!is_editable_node && virtual_keyboard_requested_) {
+  if (causal_event_type == blink::WebInputEvent::GestureTap) {
+    if (is_editable_node) {
+      virtual_keyboard_requested_ = base::win::DisplayVirtualKeyboard();
+    } else {
+      virtual_keyboard_requested_ = false;
+      base::win::DismissVirtualKeyboard();
+    }
+  } else if (!is_editable_node && virtual_keyboard_requested_) {
     virtual_keyboard_requested_ = false;
     BrowserThread::PostDelayedTask(
         BrowserThread::UI, FROM_HERE,
@@ -1363,17 +1371,6 @@ void RenderViewHostImpl::OnRunFileChooser(const FileChooserParams& params) {
   delegate_->RunFileChooser(this, params);
 }
 
-void RenderViewHostImpl::OnFocusedNodeTouched(bool editable) {
-#if defined(OS_WIN)
-  if (editable) {
-    virtual_keyboard_requested_ = base::win::DisplayVirtualKeyboard();
-  } else {
-    virtual_keyboard_requested_ = false;
-    base::win::DismissVirtualKeyboard();
-  }
-#endif
-}
-
 bool RenderViewHostImpl::CanAccessFilesOfPageState(
     const PageState& state) const {
   ChildProcessSecurityPolicyImpl* policy =