Move event stuff of web_view.js to its own class/file.

Make event filtered by viewInstanceId instead of instanceId for guests.

BUG=

Review URL: https://codereview.chromium.org/333713005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@278627 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/guest_view/guest_view_base.cc

@@ -256,7 +256,7 @@ void GuestViewBase::DispatchEvent(Event* event) {
   Profile* profile = Profile::FromBrowserContext(browser_context_);
 
   extensions::EventFilteringInfo info;
-  info.SetInstanceID(guest_instance_id_);
+  info.SetInstanceID(view_instance_id_);
   scoped_ptr<base::ListValue> args(new base::ListValue());
   args->Append(event->GetArguments().release());
 

chrome/chrome_renderer.gypi

@@ -169,6 +169,7 @@
         'renderer/resources/extensions/tts_engine_custom_bindings.js',
         'renderer/resources/extensions/web_request_custom_bindings.js',
         'renderer/resources/extensions/web_view.js',
+        'renderer/resources/extensions/web_view_events.js',
         'renderer/resources/extensions/web_view_experimental.js',
         'renderer/resources/extensions/webview_custom_bindings.js',
         'renderer/chrome_content_renderer_client.cc',

chrome/renderer/extensions/chrome_extensions_dispatcher_delegate.cc

@@ -240,6 +240,7 @@ void ChromeExtensionsDispatcherDelegate::PopulateSourceMap(
   // Note: webView not webview so that this doesn't interfere with the
   // chrome.webview API bindings.
   source_map->RegisterSource("webView", IDR_WEB_VIEW_JS);
+  source_map->RegisterSource("webViewEvents", IDR_WEB_VIEW_EVENTS_JS);
   source_map->RegisterSource("webViewExperimental",
                              IDR_WEB_VIEW_EXPERIMENTAL_JS);
   source_map->RegisterSource("webViewRequest",