Adding MimeHandlerView.

chrome/renderer/chrome_content_renderer_client.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 "chrome/renderer/chrome_content_renderer_client.h"
 
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
@@ skipping 497 matching lines @@
     return NULL;
 
   const std::string extension_id = origin.host().utf8().data();
   return extension_dispatcher_->extensions()->GetByID(extension_id);
 }
 
 bool ChromeContentRendererClient::OverrideCreatePlugin(
     content::RenderFrame* render_frame,
     WebLocalFrame* frame,
     const WebPluginParams& params,
+    int* instance_id,
     WebPlugin** plugin) {
+  *instance_id = -1;  // kInstanceIDNone.
   std::string orig_mime_type = params.mimeType.utf8();
   if (orig_mime_type == content::kBrowserPluginMimeType) {
     WebDocument document = frame->document();
     const Extension* extension =
         GetExtensionByOrigin(document.securityOrigin());
     if (extension) {
       const extensions::APIPermission::ID perms[] = {
         extensions::APIPermission::kAppView,
         extensions::APIPermission::kWebView,
       };
       for (size_t i = 0; i < arraysize(perms); ++i) {
         if (extension->permissions_data()->HasAPIPermission(perms[i]))
           return false;
       }
     }
   }
 
   ChromeViewHostMsg_GetPluginInfo_Output output;
 #if defined(ENABLE_PLUGINS)
   render_frame->Send(new ChromeViewHostMsg_GetPluginInfo(
       render_frame->GetRoutingID(), GURL(params.url),
       frame->top()->document().url(), orig_mime_type, &output));
 
-  if (output.plugin.type == content::WebPluginInfo::PLUGIN_TYPE_BROWSER_PLUGIN)
+  if (output.plugin.type ==
+          content::WebPluginInfo::PLUGIN_TYPE_BROWSER_PLUGIN) {
+    *instance_id = output.instance_id;
     return false;
+  }
 #else
   output.status.value = ChromeViewHostMsg_GetPluginInfo_Status::kNotFound;
 #endif
   *plugin = CreatePlugin(render_frame, frame, params, output);
   return true;
 }
 
 WebPlugin* ChromeContentRendererClient::CreatePluginReplacement(
     content::RenderFrame* render_frame,
     const base::FilePath& plugin_path) {
@@ skipping 945 matching lines @@
 
   if (IsExtensionOrSharedModuleWhitelisted(url, allowed_video_decode_origins_))
     return true;
 
   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
   return channel <= chrome::VersionInfo::CHANNEL_DEV;
 #else
   return false;
 #endif
 }