TextInputManager::GetTextSelection() should be called on focused widget.

content/browser/renderer_host/render_widget_host_view_aura.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include <set>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 1498 matching lines @@
     return false;
   *rect = ConvertRectToScreen(composition_range_info->character_bounds[index]);
   return true;
 }
 
 bool RenderWidgetHostViewAura::HasCompositionText() const {
   return has_composition_text_;
 }
 
 bool RenderWidgetHostViewAura::GetTextRange(gfx::Range* range) const {
-  if (!text_input_manager_)
+  if (!text_input_manager_ || !GetFocusedWidget())
     return false;
 
   const TextInputManager::TextSelection* selection =
-      text_input_manager_->GetTextSelection();
+      text_input_manager_->GetTextSelection(GetFocusedWidget()->GetView());
   if (!selection)
     return false;
 
   range->set_start(selection->offset);
   range->set_end(selection->offset + selection->text.length());
   return true;
 }
 
 bool RenderWidgetHostViewAura::GetCompositionTextRange(
     gfx::Range* range) const {
   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
   NOTIMPLEMENTED();
   return false;
 }
 
 bool RenderWidgetHostViewAura::GetSelectionRange(gfx::Range* range) const {
-  if (!text_input_manager_)
+  if (!text_input_manager_ || !GetFocusedWidget())
     return false;
 
   const TextInputManager::TextSelection* selection =
-      text_input_manager_->GetTextSelection();
+      text_input_manager_->GetTextSelection(GetFocusedWidget()->GetView());
   if (!selection)
     return false;
 
   range->set_start(selection->range.start());
   range->set_end(selection->range.end());
   return true;
 }
 
 bool RenderWidgetHostViewAura::SetSelectionRange(const gfx::Range& range) {
   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
   NOTIMPLEMENTED();
   return false;
 }
 
 bool RenderWidgetHostViewAura::DeleteRange(const gfx::Range& range) {
   // TODO(suzhe): implement this method when fixing http://crbug.com/55130.
   NOTIMPLEMENTED();
   return false;
 }
 
 bool RenderWidgetHostViewAura::GetTextFromRange(
     const gfx::Range& range,
     base::string16* text) const {
-  if (!text_input_manager_)
+  if (!text_input_manager_ || !GetFocusedWidget())
     return false;
 
   const TextInputManager::TextSelection* selection =
-      text_input_manager_->GetTextSelection();
+      text_input_manager_->GetTextSelection(GetFocusedWidget()->GetView());
   if (!selection)
     return false;
 
   gfx::Range selection_text_range(selection->offset,
                                   selection->offset + selection->text.length());
 
   if (!selection_text_range.Contains(range)) {
     text->clear();
     return false;
   }
@@ skipping 1472 matching lines @@
           ->GetTextSelection(focused_view)
           ->GetSelectedText(&selected_text)) {
     // Set the CLIPBOARD_TYPE_SELECTION to the ui::Clipboard.
     ui::ScopedClipboardWriter clipboard_writer(ui::CLIPBOARD_TYPE_SELECTION);
     clipboard_writer.WriteText(selected_text);
   }
 #endif  // defined(USE_X11) && !defined(OS_CHROMEOS)
 }
 
 }  // namespace content