Remove PluginLoadObserver and related logic, it was only used for NPAPI.

content/child/npapi/webplugin_delegate.h

Index: content/child/npapi/webplugin_delegate.h
diff --git a/content/child/npapi/webplugin_delegate.h b/content/child/npapi/webplugin_delegate.h
index 8f13c8d80d2ad33ce021ad1a4e9b724e6dd489e4..c18eb762add1e3db05c69b86089817d5b3040cbd 100644
--- a/content/child/npapi/webplugin_delegate.h
+++ b/content/child/npapi/webplugin_delegate.h
@@ -87,65 +87,8 @@ class WebPluginDelegate {
   // Returns false if the value is not available.
   virtual bool GetFormValue(base::string16* value) = 0;
 
-  // Receives notification about a resource load that the plugin initiated
-  // for a frame.
-  virtual void DidFinishLoadWithReason(const GURL& url, NPReason reason,
-                                       int notify_id) = 0;
-
   // Returns the process id of the process that is running the plugin.
   virtual int GetProcessId() = 0;
-
-  // The result, UTF-8 encoded, of the script execution is returned via this
-  // function.
-  virtual void SendJavaScriptStream(const GURL& url,
-                                    const std::string& result,
-                                    bool success,
-                                    int notify_id) = 0;
-
-  // Receives notification about data being available.
-  virtual void DidReceiveManualResponse(const GURL& url,
-                                        const std::string& mime_type,
-                                        const std::string& headers,
-                                        uint32 expected_length,
-                                        uint32 last_modified) = 0;
-
-  // Receives the data.
-  virtual void DidReceiveManualData(const char* buffer, int length) = 0;
-
-  // Indicates end of data load.
-  virtual void DidFinishManualLoading() = 0;
-
-  // Indicates a failure in data receipt.
-  virtual void DidManualLoadFail() = 0;
-
-  // Creates a WebPluginResourceClient instance and returns the same.
-  virtual WebPluginResourceClient* CreateResourceClient(
-      unsigned long resource_id,
-      const GURL& url,
-      int notify_id) = 0;
-
-  // Creates a WebPluginResourceClient instance for an existing stream that is
-  // has become seekable.
-  virtual WebPluginResourceClient* CreateSeekableResourceClient(
-      unsigned long resource_id, int range_request_id) = 0;
-
-  // Tell the plugin that the given URL should be fetched. This is a result of
-  // loading the plugin data or the plugin calling HandleURLRequest which didn't
-  // end up being routed to another frame or being a javscript:// URL.
-  virtual void FetchURL(unsigned long resource_id,
-                        int notify_id,
-                        const GURL& url,
-                        const GURL& first_party_for_cookies,
-                        const std::string& method,
-                        const char* buf,
-                        unsigned int len,
-                        const Referrer& referrer,
-                        bool notify_redirects,
-                        bool is_plugin_src_load,
-                        int origin_pid,
-                        int render_frame_id,
-                        int render_view_id) = 0;
-
 };
 
 }  // namespace content