Browser Plugin: Enable File Chooser (<input type="file">)

Plumb RunFileChooser to the embedder's WebContentsDelegate so if the embedder is allowed to show
a file chooser, then so is the guest.

BUG=143801
TEST=<input type="file"> in guest

Review URL: https://chromiumcodereview.appspot.com/11098056

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@162392 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/browser_plugin/browser_plugin_embedder.cc

@@ -94,8 +94,7 @@ void BrowserPluginEmbedder::CreateGuest(RenderViewHost* render_view_host,
       instance_id);
 
   guest = guest_web_contents->GetBrowserPluginGuest();
-  guest->set_embedder_render_process_host(render_view_host->GetProcess());
-  guest->set_embedder_render_view_host(render_view_host);
+  guest->set_embedder_web_contents(web_contents());
 
   RendererPreferences* guest_renderer_prefs =
       guest_web_contents->GetMutableRendererPrefs();

content/browser/browser_plugin/browser_plugin_guest.cc

@@ -42,8 +42,7 @@ BrowserPluginGuest::BrowserPluginGuest(int instance_id,
                                        WebContentsImpl* web_contents,
                                        RenderViewHost* render_view_host)
     : WebContentsObserver(web_contents),
-      embedder_render_process_host_(NULL),
-      embedder_render_view_host_(NULL),
+      embedder_web_contents_(NULL),
       instance_id_(instance_id),
 #if defined(OS_WIN)
       damage_buffer_size_(0),
@@ -135,6 +134,11 @@ void BrowserPluginGuest::RendererUnresponsive(WebContents* source) {
   RecordAction(UserMetricsAction("BrowserPlugin.Guest.Hung"));
 }
 
+void BrowserPluginGuest::RunFileChooser(WebContents* web_contents,
+                                        const FileChooserParams& params) {
+  embedder_web_contents_->GetDelegate()->RunFileChooser(web_contents, params);
+}
+
 void BrowserPluginGuest::SetIsAcceptingTouchEvents(bool accept) {
   SendMessageToEmbedder(
       new BrowserPluginMsg_ShouldAcceptTouchEvents(instance_id(), accept));
@@ -172,9 +176,12 @@ void BrowserPluginGuest::DragStatusUpdate(WebKit::WebDragStatus drag_status,
 }
 
 void BrowserPluginGuest::UpdateDragCursor(WebKit::WebDragOperation operation) {
-  CHECK(embedder_render_view_host_);
+  RenderViewHostImpl* embedder_render_view_host =
+      static_cast<RenderViewHostImpl*>(
+          embedder_web_contents_->GetRenderViewHost());
+  CHECK(embedder_render_view_host);
   RenderViewHostDelegateView* view =
-      embedder_render_view_host_->GetDelegate()->GetDelegateView();
+      embedder_render_view_host->GetDelegate()->GetDelegateView();
   if (view)
     view->UpdateDragCursor(operation);
 }
@@ -463,8 +470,7 @@ void BrowserPluginGuest::RenderViewGone(base::TerminationStatus status) {
 }
 
 void BrowserPluginGuest::SendMessageToEmbedder(IPC::Message* msg) {
-  DCHECK(embedder_render_process_host());
-  embedder_render_process_host()->Send(msg);
+  embedder_web_contents_->GetRenderProcessHost()->Send(msg);
 }
 
 }  // namespace content

content/browser/browser_plugin/browser_plugin_guest.h

@@ -82,12 +82,8 @@ class CONTENT_EXPORT BrowserPluginGuest : public NotificationObserver,
     guest_hang_timeout_ = timeout;
   }
 
-  void set_embedder_render_process_host(
-      RenderProcessHost* render_process_host) {
-    embedder_render_process_host_ = render_process_host;
-  }
-  void set_embedder_render_view_host(RenderViewHost* render_view_host) {
-    embedder_render_view_host_ = render_view_host;
+  void set_embedder_web_contents(WebContents* web_contents) {
+    embedder_web_contents_ = web_contents;
   }
 
   bool visible() const { return visible_; }
@@ -126,6 +122,8 @@ class CONTENT_EXPORT BrowserPluginGuest : public NotificationObserver,
                            const std::string& request_method) OVERRIDE;
   virtual bool HandleContextMenu(const ContextMenuParams& params) OVERRIDE;
   virtual void RendererUnresponsive(WebContents* source) OVERRIDE;
+  virtual void RunFileChooser(WebContents* web_contents,
+                              const FileChooserParams& params) OVERRIDE;
 
   void UpdateRect(RenderViewHost* render_view_host,
                   const ViewHostMsg_UpdateRect_Params& params);
@@ -215,9 +213,6 @@ class CONTENT_EXPORT BrowserPluginGuest : public NotificationObserver,
                      WebContentsImpl* web_contents,
                      RenderViewHost* render_view_host);
 
-  RenderProcessHost* embedder_render_process_host() {
-    return embedder_render_process_host_;
-  }
   // Returns the identifier that uniquely identifies a browser plugin guest
   // within an embedder.
   int instance_id() const { return instance_id_; }
@@ -240,8 +235,7 @@ class CONTENT_EXPORT BrowserPluginGuest : public NotificationObserver,
   static content::BrowserPluginHostFactory* factory_;
 
   NotificationRegistrar notification_registrar_;
-  RenderProcessHost* embedder_render_process_host_;
-  RenderViewHost* embedder_render_view_host_;
+  WebContents* embedder_web_contents_;
   // An identifier that uniquely identifies a browser plugin guest within an
   // embedder.
   int instance_id_;