Move Java Bridge files to new java/ subdirectory

content/browser/renderer_host/java_bridge_dispatcher_host.cc

-// Copyright (c) 2011 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/java_bridge_dispatcher_host.h"
-
-#include "content/browser/renderer_host/browser_render_process_host.h"
-#include "content/browser/renderer_host/java_bridge_channel_host.h"
-#include "content/browser/renderer_host/render_view_host.h"
-#include "content/common/child_process.h"
-#include "content/common/java_bridge_messages.h"
-#include "content/common/npobject_stub.h"
-#include "content/common/npobject_util.h"  // For CreateNPVariantParam()
-#include "content/public/browser/browser_thread.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h"
-
-using content::BrowserThread;
-
-JavaBridgeDispatcherHost::JavaBridgeDispatcherHost(
-    RenderViewHost* render_view_host)
-    : render_view_host_(render_view_host) {
-  DCHECK(render_view_host_);
-}
-
-JavaBridgeDispatcherHost::~JavaBridgeDispatcherHost() {
-}
-
-void JavaBridgeDispatcherHost::AddNamedObject(const string16& name,
-                                              NPObject* object) {
-  // Post to the WEBKIT thread, as that's where we want injected objects to
-  // live.
-  WebKit::WebBindings::retainObject(object);
-  BrowserThread::PostTask(
-      BrowserThread::WEBKIT,
-      FROM_HERE,
-      NewRunnableMethod(this,
-                        &JavaBridgeDispatcherHost::DoAddNamedObject,
-                        name,
-                        object));
-}
-
-void JavaBridgeDispatcherHost::RemoveNamedObject(const string16& name) {
-  // On receipt of this message, the JavaBridgeDispatcher will drop its
-  // reference to the corresponding proxy object. When the last reference is
-  // removed, the proxy object will delete its NPObjectProxy, which will cause
-  // the NPObjectStub to be deleted, which will drop its reference to the
-  // original NPObject.
-  render_view_host_->Send(new JavaBridgeMsg_RemoveNamedObject(
-      render_view_host_->routing_id(), name));
-}
-
-void JavaBridgeDispatcherHost::DoAddNamedObject(const string16& name,
-                                                NPObject* object) {
-  EnsureChannelIsSetUp();
-
-  NPVariant variant;
-  OBJECT_TO_NPVARIANT(object, variant);
-  DCHECK_EQ(variant.type, NPVariantType_Object);
-
-  // Create an NPVariantParam suitable for serialization over IPC from our
-  // NPVariant. Internally, this will create an NPObjectStub, which takes a
-  // reference to the underlying NPObject. We pass release = true to release
-  // the ref added in AddNamedObject(). We don't need the containing window or
-  // the page URL, as we don't do re-entrant sync IPC.
-  NPVariant_Param variant_param;
-  CreateNPVariantParam(variant, channel_, &variant_param, true, 0, GURL());
-  DCHECK_EQ(variant_param.type, NPVARIANT_PARAM_SENDER_OBJECT_ROUTING_ID);
-
-  render_view_host_->Send(new JavaBridgeMsg_AddNamedObject(
-      render_view_host_->routing_id(), name, variant_param));
-}
-
-void JavaBridgeDispatcherHost::EnsureChannelIsSetUp() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT));
-  if (channel_) {
-    return;
-  }
-
-  channel_ = JavaBridgeChannelHost::GetJavaBridgeChannelHost(
-      render_view_host_->process()->id(),
-      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
-
-  // The channel creates the channel handle based on the renderer ID we passed
-  // to GetJavaBridgeChannelHost() and, on POSIX, the file descriptor used by
-  // the underlying channel.
-  IPC::ChannelHandle channel_handle = channel_->channel_handle();
-
-  bool sent = render_view_host_->Send(new JavaBridgeMsg_Init(
-      render_view_host_->routing_id(), channel_handle));
-  DCHECK(sent);
-}