Reland of OOPIF: Route keyboard events to focused frame in the browser process.

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 "base/auto_reset.h"
 #include "base/basictypes.h"
@@ skipping 2713 matching lines @@
 }
 
 void RenderWidgetHostViewAura::DetachFromInputMethod() {
   ui::InputMethod* input_method = GetInputMethod();
   if (input_method)
     input_method->DetachTextInputClient(this);
 }
 
 void RenderWidgetHostViewAura::ForwardKeyboardEvent(
     const NativeWebKeyboardEvent& event) {
+  RenderWidgetHostImpl* target_host = host_;
+
+  // If there are multiple widgets on the page (such as when there are
+  // out-of-process iframes), pick the one that should process this event.
+  if (host_->delegate()) {
+    RenderWidgetHostImpl* focused_host =
+        host_->delegate()->GetFocusedRenderWidgetHost();
+    if (focused_host)
+      target_host = focused_host;
+  }
+
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
   ui::TextEditKeyBindingsDelegateAuraLinux* keybinding_delegate =
       ui::GetTextEditKeyBindingsDelegate();
   std::vector<ui::TextEditCommandAuraLinux> commands;
   if (!event.skip_in_browser &&
       keybinding_delegate &&
       event.os_event &&
       keybinding_delegate->MatchEvent(*event.os_event, &commands)) {
     // Transform from ui/ types to content/ types.
     EditCommands edit_commands;
     for (std::vector<ui::TextEditCommandAuraLinux>::const_iterator it =
              commands.begin(); it != commands.end(); ++it) {
       edit_commands.push_back(EditCommand(it->GetCommandString(),
                                           it->argument()));
     }
-    host_->Send(new InputMsg_SetEditCommandsForNextKeyEvent(
-        host_->GetRoutingID(), edit_commands));
+    // TODO(alexmos): This needs to be refactored to work with subframe
+    // RenderWidgetHosts for OOPIF.  See https://crbug.com/549334.
+    target_host->Send(new InputMsg_SetEditCommandsForNextKeyEvent(
+        target_host->GetRoutingID(), edit_commands));
+
     NativeWebKeyboardEvent copy_event(event);
     copy_event.match_edit_command = true;
-    host_->ForwardKeyboardEvent(copy_event);
+    target_host->ForwardKeyboardEvent(event);
     return;
   }
 #endif
 
-  host_->ForwardKeyboardEvent(event);
+  target_host->ForwardKeyboardEvent(event);
 }
 
 void RenderWidgetHostViewAura::SelectionUpdated(bool is_editable,
                                                 bool is_empty_text_form_control,
                                                 const ui::SelectionBound& start,
                                                 const ui::SelectionBound& end) {
   selection_controller_->OnSelectionEditable(is_editable);
   selection_controller_->OnSelectionEmpty(is_empty_text_form_control);
   selection_controller_->OnSelectionBoundsChanged(start, end);
 }
@@ skipping 115 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewBase, public:
 
 // static
 void RenderWidgetHostViewBase::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content