Add a mimeHandler extension API.

extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.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/guest_view/mime_handler_view/mime_handler_view_guest.h"
 
 #include "base/strings/stringprintf.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/stream_handle.h"
 #include "content/public/browser/stream_info.h"
+#include "content/public/common/service_registry.h"
 #include "content/public/common/url_constants.h"
 #include "extensions/browser/api/extensions_api_client.h"
+#include "extensions/browser/api/mime_handler/mime_handler.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/guest_view/mime_handler_view/mime_handler_stream_manager.h"
 #include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_constants.h"
 #include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h"
 #include "extensions/browser/process_manager.h"
 #include "extensions/common/extension_messages.h"
 #include "extensions/common/guest_view/guest_view_constants.h"
 #include "extensions/strings/grit/extensions_strings.h"
 #include "ipc/ipc_message_macros.h"
 #include "net/base/url_util.h"
 
 using content::WebContents;
 
 namespace extensions {
 
 StreamContainer::StreamContainer(scoped_ptr<content::StreamInfo> stream,
+                                 int tab_id,
+                                 int64_t expected_content_size,
+                                 bool embedded,
                                  const GURL& handler_url,
                                  const std::string& extension_id)
     : stream_(stream.Pass()),
+      embedded_(embedded),
+      expected_content_size_(expected_content_size),
+      tab_id_(tab_id),
       handler_url_(handler_url),
       extension_id_(extension_id),
       weak_factory_(this) {
 }
 
 StreamContainer::~StreamContainer() {
 }
 
 void StreamContainer::Abort() {
   stream_->handle.reset();
@@ skipping 82 matching lines @@
 
   WebContents::CreateParams params(browser_context(), guest_site_instance);
   params.guest_delegate = this;
   callback.Run(WebContents::Create(params));
 }
 
 void MimeHandlerViewGuest::DidAttachToEmbedder() {
   web_contents()->GetController().LoadURL(
       stream_->handler_url(), content::Referrer(),
       ui::PAGE_TRANSITION_AUTO_TOPLEVEL, std::string());
+  web_contents()->GetMainFrame()->GetServiceRegistry()->AddService(
+      base::Bind(&MimeHandlerServiceImpl::Create, stream_->GetWeakPtr()));
 }
 
 void MimeHandlerViewGuest::DidInitialize() {
   extension_function_dispatcher_.reset(
       new ExtensionFunctionDispatcher(browser_context(), this));
   if (delegate_)
     delegate_->AttachHelpers();
 }
 
 bool MimeHandlerViewGuest::ZoomPropagatesFromEmbedderToGuest() const {
@@ skipping 96 matching lines @@
 
 void MimeHandlerViewGuest::OnRequest(
     const ExtensionHostMsg_Request_Params& params) {
   if (extension_function_dispatcher_) {
     extension_function_dispatcher_->Dispatch(
         params, web_contents()->GetRenderViewHost());
   }
 }
 
 }  // namespace extensions