Adding MimeHandlerView.

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index b122262248ba5aedc70ad68f28dec4eee65a0b39..b6739cdbe11111ed6ee928eaa4e33169b942e170 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -31,6 +31,7 @@
 #include "chrome/grit/locale_settings.h"
 #include "chrome/grit/renderer_resources.h"
 #include "chrome/renderer/benchmarking_extension.h"
+#include "chrome/renderer/browser_plugin/chrome_browser_plugin_delegate.h"
 #include "chrome/renderer/chrome_render_frame_observer.h"
 #include "chrome/renderer/chrome_render_process_observer.h"
 #include "chrome/renderer/chrome_render_view_observer.h"
@@ -1521,3 +1522,10 @@ bool ChromeContentRendererClient::IsPluginAllowedToUseVideoDecodeAPI(
   return false;
 #endif
 }
+
+content::BrowserPluginDelegate*
+ChromeContentRendererClient::CreateBrowserPluginDelegate(
+    int routing_id,
+    const std::string& mime_type) {
+  return new ChromeBrowserPluginDelegate(routing_id, mime_type);
+}