[ChromeOS] Show autofill popup after keyboard (if any) is shown.

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index 54d70c0c4b859ed2278a0f9a32b22437f2615a07..cf9232fd4d79aa3baaa48033ab8387f3c3695d9e 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -62,6 +62,7 @@
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/ime/input_method.h"
+#include "ui/base/ime/input_method_observer.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/compositor/compositor_vsync_manager.h"
 #include "ui/compositor/dip_util.h"
@@ -324,6 +325,36 @@ bool PointerEventActivates(const ui::Event& event) {
   return false;
 }
 
+class KeyboardBoundsUnchangedListener : public ui::InputMethodObserver {
+ public:
+  KeyboardBoundsUnchangedListener(ui::InputMethod* input_method,
+                                  RenderWidgetHostImpl* host)
+      : host_(host) {
+    input_method->AddObserver(this);
+  }
+
+ private:
+  ~KeyboardBoundsUnchangedListener() override {}
+
+  // Overridden from ui::InputMethodObserver:
+  void OnTextInputTypeChanged(const ui::TextInputClient* client) override {}
+  void OnFocus() override {}
+  void OnBlur() override {}
+  void OnCaretBoundsChanged(const ui::TextInputClient* client) override {}
+  void OnTextInputStateChanged(const ui::TextInputClient* client) override {}
+  void OnInputMethodDestroyed(const ui::InputMethod* input_method) override {
+    delete this;
+  }
+  void OnShowImeIfNeeded() override {}
+  void OnKeyboardBoundsUnchanged() override {
+    host_->Send(new ViewMsg_FocusChangeComplete(host_->GetRoutingID()));
+  }
+
+  RenderWidgetHostImpl* const host_;
+
+  DISALLOW_COPY_AND_ASSIGN(KeyboardBoundsUnchangedListener);
+};
+
 }  // namespace
 
 // We need to watch for mouse events outside a Web Popup or its parent
@@ -453,6 +484,9 @@ RenderWidgetHostViewAura::RenderWidgetHostViewAura(RenderWidgetHost* host,
   bool overscroll_enabled = base::CommandLine::ForCurrentProcess()->
       GetSwitchValueASCII(switches::kOverscrollHistoryNavigation) != "0";
   SetOverscrollControllerEnabled(overscroll_enabled);
+
+  if (GetInputMethod())
+    new KeyboardBoundsUnchangedListener(GetInputMethod(), host_);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -866,6 +900,9 @@ void RenderWidgetHostViewAura::OnTextInputStateChanged(
     if (GetInputMethod())
       GetInputMethod()->ShowImeIfNeeded();
   }
+
+  if (!GetInputMethod() || !GetInputMethod()->SupportsOnScreenKeyboard())
+    host_->Send(new ViewMsg_FocusChangeComplete(host_->GetRoutingID()));
 }
 
 void RenderWidgetHostViewAura::ImeCancelComposition() {