Add infrastructure to instantiate a helper plugin.

This is the Chromium side of http://webk.it/87399.

BUG=130425
TEST=None yet. Confirmed plugin is instantiated when GetClient()->createHelperPlugin(frame_); is added to WebMediaPlayerImpl::play().


Review URL: https://chromiumcodereview.appspot.com/10442102

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@145924 0039d316-1c4b-4281-b951-d872f2087c98

content/renderer/render_view_impl.cc

@@ -116,6 +116,7 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFormControlElement.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFormElement.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebHelperPlugin.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebHistoryItem.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputElement.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
@@ -1806,6 +1807,11 @@ bool RenderViewImpl::enumerateChosenDirectory(
       webkit_glue::WebStringToFilePath(path)));
 }
 
+void RenderViewImpl::initializeHelperPluginWebFrame(
+    WebKit::WebHelperPlugin* plugin) {
+  plugin->initializeFrame(this);
+}
+
 void RenderViewImpl::didStartLoading() {
   if (is_loading_) {
     DVLOG(1) << "didStartLoading called while loading";

content/renderer/render_view_impl.h

@@ -437,6 +437,7 @@ class RenderViewImpl : public RenderWidget,
   virtual bool enumerateChosenDirectory(
       const WebKit::WebString& path,
       WebKit::WebFileChooserCompletion* chooser_completion);
+  virtual void initializeHelperPluginWebFrame(WebKit::WebHelperPlugin*);
   virtual void didStartLoading();
   virtual void didStopLoading();
   virtual void didChangeLoadProgress(WebKit::WebFrame* frame,

content/renderer/render_widget.cc

@@ -23,6 +23,7 @@
 #include "ipc/ipc_sync_message.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebHelperPlugin.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPagePopup.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupMenu.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupMenuInfo.h"
@@ -157,6 +158,8 @@ WebWidget* RenderWidget::CreateWebWidget(RenderWidget* render_widget) {
       return WebPopupMenu::create(render_widget);
     case WebKit::WebPopupTypePage:
       return WebPagePopup::create(render_widget);
+    case WebKit::WebPopupTypeHelperPlugin:
+      return WebKit::WebHelperPlugin::create(render_widget);
     default:
       NOTREACHED();
   }