Plumb file system permission into WebviewGuest.

chrome/browser/content_settings/tab_specific_content_settings.cc

Index: chrome/browser/content_settings/tab_specific_content_settings.cc
diff --git a/chrome/browser/content_settings/tab_specific_content_settings.cc b/chrome/browser/content_settings/tab_specific_content_settings.cc
index 7de878d869c2641d030433ad7d6ecdbf54ad37f5..a6349f3af946509de0e8f4deb74b93c427bc206a 100644
--- a/chrome/browser/content_settings/tab_specific_content_settings.cc
+++ b/chrome/browser/content_settings/tab_specific_content_settings.cc
@@ -39,6 +39,7 @@
 using content::BrowserThread;
 using content::NavigationController;
 using content::NavigationEntry;
+using content::RenderFrameHost;
 using content::RenderViewHost;
 using content::WebContents;
 
@@ -205,10 +206,11 @@ void TabSpecificContentSettings::IndexedDBAccessed(
 }
 
 // static
-void TabSpecificContentSettings::FileSystemAccessed(int render_process_id,
-                                                    int render_frame_id,
-                                                    const GURL& url,
-                                                    bool blocked_by_policy) {
+void TabSpecificContentSettings::FileSystemAccessedSync(
+    int render_process_id,
+    int render_frame_id,
+    const GURL& url,
+    bool blocked_by_policy) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   TabSpecificContentSettings* settings = GetForFrame(
       render_process_id, render_frame_id);
@@ -216,6 +218,94 @@ void TabSpecificContentSettings::FileSystemAccessed(int render_process_id,
     settings->OnFileSystemAccessed(url, blocked_by_policy);
 }
 
+// static
+void TabSpecificContentSettings::FileSystemAccessedSyncDelayReply(
+    int render_process_id,
+    int render_frame_id,
+    const GURL& url,
+    IPC::Message* reply_msg,
+    bool blocked_by_policy) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  content::RenderFrameHost* render_frame_host =
+      content::RenderFrameHost::FromID(render_process_id, render_frame_id);
+  WebViewGuest* guest = GetWebViewGuest(render_frame_host);
+  DCHECK(guest);
+  guest->RequestFileSystemPermission(
+      url,
+      base::Bind(&TabSpecificContentSettings::
+                      UpdateSettingsOnFileSystemAccessedDelayReply,
+                  render_process_id,
+                  render_frame_id,
+                  url,
+                  reply_msg));
+}
+
+// static
+void TabSpecificContentSettings::FileSystemAccessedAsync(
+    int render_process_id,
+    int render_frame_id,
+    int request_id,
+    const GURL& url,
+    bool blocked_by_policy) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  content::RenderFrameHost* render_frame_host =
+      content::RenderFrameHost::FromID(render_process_id, render_frame_id);
+  WebViewGuest* guest = GetWebViewGuest(render_frame_host);
+  if (guest) {
+    guest->RequestFileSystemPermission(
+        url,
+        base::Bind(&TabSpecificContentSettings::FileSystemAccessedAsyncInternal,
+                   render_process_id,
+                   render_frame_id,
+                   request_id,
+                   url));
+  } else {
+    FileSystemAccessedAsyncInternal(
+        render_process_id, render_frame_id, request_id, url, blocked_by_policy);
+  }
+}
+
+// static
+WebViewGuest* TabSpecificContentSettings::GetWebViewGuest(
+    content::RenderFrameHost* render_frame_host) {
+  WebContents* web_contents =
+      WebContents::FromRenderFrameHost(render_frame_host);
+  return WebViewGuest::FromWebContents(web_contents);
+}
+
+// static
+void TabSpecificContentSettings::FileSystemAccessedAsyncInternal(
+    int render_process_id,
+    int render_frame_id,
+    int request_id,
+    const GURL& url,
+    bool blocked_by_policy) {
+  FileSystemAccessedSync(
+      render_process_id, render_frame_id, url, blocked_by_policy);
+  content::RenderFrameHost* render_frame_host =
+      content::RenderFrameHost::FromID(render_process_id, render_frame_id);
+  render_frame_host->Send(
+      new ChromeViewMsg_RequestFileSystemAccessAsyncResponse(
+          render_frame_id, request_id, !blocked_by_policy));
+}
+
+// static
+void TabSpecificContentSettings::UpdateSettingsOnFileSystemAccessedDelayReply(
+    int render_process_id,
+    int render_frame_id,
+    const GURL& url,
+    IPC::Message* reply_msg,
+    bool blocked_by_policy) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  FileSystemAccessedSync(
+      render_process_id, render_frame_id, url, blocked_by_policy);
+  ChromeViewHostMsg_RequestFileSystemAccessSync::WriteReplyParams(
+      reply_msg, !blocked_by_policy);
+  content::RenderFrameHost* render_frame_host =
+      content::RenderFrameHost::FromID(render_process_id, render_frame_id);
+  render_frame_host->Send(reply_msg);
+}
+
 bool TabSpecificContentSettings::IsContentBlocked(
     ContentSettingsType content_type) const {
   DCHECK(content_type != CONTENT_SETTINGS_TYPE_GEOLOCATION)