cros: Allow pin keyboard to keep focus without popping up the pin keyboard.

ui/keyboard/keyboard_util.cc

Index: ui/keyboard/keyboard_util.cc
diff --git a/ui/keyboard/keyboard_util.cc b/ui/keyboard/keyboard_util.cc
index 23404bc4f155d85673ef558ca67bc66e42c278fb..950a880c334dfa760bafa048b388bd0a618a5b82 100644
--- a/ui/keyboard/keyboard_util.cc
+++ b/ui/keyboard/keyboard_util.cc
@@ -44,6 +44,8 @@ void SendProcessKeyEvent(ui::EventType type,
 base::LazyInstance<base::Time> g_keyboard_load_time_start =
     LAZY_INSTANCE_INITIALIZER;
 
+bool g_force_disable_keyboard_for_web_ui = false;
+
 bool g_accessibility_keyboard_enabled = false;
 
 bool g_hotrod_keyboard_enabled = false;
@@ -72,6 +74,14 @@ gfx::Rect FullWidthKeyboardBoundsFromRootBounds(const gfx::Rect& root_bounds,
       keyboard_height);
 }
 
+void SetForceDisableVirtualKeyboardForWebUi(bool disable) {
+  g_force_disable_keyboard_for_web_ui = disable;
+}
+
+bool GetForceDisableVirtualKeyboardForWebUi() {
+  return g_force_disable_keyboard_for_web_ui;
+}
+
 void SetAccessibilityKeyboardEnabled(bool enabled) {
   g_accessibility_keyboard_enabled = enabled;
 }
@@ -111,6 +121,9 @@ std::string GetKeyboardLayout() {
 }
 
 bool IsKeyboardEnabled() {
+  // Blocks keyboard from showing up regardless of other settings.
+  if (g_force_disable_keyboard_for_web_ui)
+    return false;
   // Accessibility setting prioritized over policy setting.
   if (g_accessibility_keyboard_enabled)
     return true;