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 23eb94b1d72c7775e1105804d5bb032dd7ba40b8..1cbdfe7c28fbd73e4da4f94dc20f16485f8a8f4d 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "chrome/renderer/chrome_content_renderer_client.h"
+#include "base/debug/stack_trace.h"
 
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
@@ -495,7 +496,9 @@ 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();
@@ -518,9 +521,15 @@ bool ChromeContentRendererClient::OverrideCreatePlugin(
   render_frame->Send(new ChromeViewHostMsg_GetPluginInfo(
       render_frame->GetRoutingID(), GURL(params.url),
       frame->top()->document().url(), orig_mime_type, &output));
+  printf("PLUGIN_TYPE_BROWSER_PLUGIN: %d\n",
+      content::WebPluginInfo::PLUGIN_TYPE_BROWSER_PLUGIN);
 
-  if (output.plugin.type == content::WebPluginInfo::PLUGIN_TYPE_BROWSER_PLUGIN)
+  // This would result in double GetPluginInfo, once from here and one more time
+  // from content/.
+  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