GuestView: Move lifetime management out of content

extensions/browser/api/guest_view/guest_view_internal_api.cc

 // Copyright 2014 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 "extensions/browser/api/guest_view/guest_view_internal_api.h"
 
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "extensions/browser/guest_view/guest_view_base.h"
 #include "extensions/browser/guest_view/guest_view_manager.h"
@@ skipping 47 matching lines @@
     content::WebContents* guest_web_contents) {
   int guest_instance_id = 0;
   if (guest_web_contents) {
     GuestViewBase* guest = GuestViewBase::FromWebContents(guest_web_contents);
     guest_instance_id = guest->guest_instance_id();
   }
   SetResult(new base::FundamentalValue(guest_instance_id));
   SendResponse(true);
 }
 
+GuestViewInternalDestroyGuestFunction::
+    GuestViewInternalDestroyGuestFunction() {
+}
+
+GuestViewInternalDestroyGuestFunction::
+    ~GuestViewInternalDestroyGuestFunction() {
+}
+
+bool GuestViewInternalDestroyGuestFunction::RunAsync() {
+  scoped_ptr<guest_view_internal::DestroyGuest::Params> params(
+      guest_view_internal::DestroyGuest::Params::Create(*args_));
+  EXTENSION_FUNCTION_VALIDATE(params.get());
+  GuestViewBase* guest = GuestViewBase::From(
+      render_view_host()->GetProcess()->GetID(), params->instance_id);
+  if (!guest)
+    return false;
+  guest->Destroy();
+  SendResponse(true);
+  return true;
+}
+
 GuestViewInternalSetAutoSizeFunction::
     GuestViewInternalSetAutoSizeFunction() {
 }
 
 GuestViewInternalSetAutoSizeFunction::
     ~GuestViewInternalSetAutoSizeFunction() {
 }
 
 bool GuestViewInternalSetAutoSizeFunction::RunAsync() {
   scoped_ptr<guest_view_internal::SetAutoSize::Params> params(
       guest_view_internal::SetAutoSize::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
   GuestViewBase* guest = GuestViewBase::From(
       render_view_host()->GetProcess()->GetID(), params->instance_id);
   if (!guest)
     return false;
   guest->SetAutoSize(params->params.enable_auto_size,
                      gfx::Size(params->params.min.width,
                                params->params.min.height),
                      gfx::Size(params->params.max.width,
                                params->params.max.height));
   SendResponse(true);
   return true;
 }
 
 }  // namespace extensions