Avoid sync IPCs for FileSystem API [chromium] (2/4)

chrome/common/render_messages.h

Index: chrome/common/render_messages.h
diff --git a/chrome/common/render_messages.h b/chrome/common/render_messages.h
index 92fffdb58084adbcb5b2443ebc42a7ec5d445259..46fb90e2fd2aec2ae89c1b89ad760f150f6e1550 100644
--- a/chrome/common/render_messages.h
+++ b/chrome/common/render_messages.h
@@ -320,6 +320,11 @@ IPC_MESSAGE_ROUTED1(ChromeViewMsg_SetAllowRunningInsecureContent,
 
 IPC_MESSAGE_ROUTED0(ChromeViewMsg_ReloadFrame)
 
+// Tells the renderer whether or not a file system access has been allowed.
+IPC_MESSAGE_ROUTED2(ChromeViewMsg_RequestFileSystemAccessAsyncResponse,
+                    int  /* request_id */,
+                    bool /* allowed */)
+
 // Sent when the profile changes the kSafeBrowsingEnabled preference.
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SetClientSidePhishingDetection,
                     bool /* enable_phishing_detection */)
@@ -431,12 +436,20 @@ IPC_SYNC_MESSAGE_CONTROL4_1(ChromeViewHostMsg_AllowDOMStorage,
 
 // Sent by the renderer process to check whether access to FileSystem is
 // granted by content settings.
-IPC_SYNC_MESSAGE_CONTROL3_1(ChromeViewHostMsg_AllowFileSystem,
+IPC_SYNC_MESSAGE_CONTROL3_1(ChromeViewHostMsg_RequestFileSystemAccessSync,
                             int /* render_frame_id */,
                             GURL /* origin_url */,
                             GURL /* top origin url */,
                             bool /* allowed */)
 
+// Sent by the renderer process to check whether access to FileSystem is
+// granted by content settings.
+IPC_MESSAGE_CONTROL4(ChromeViewHostMsg_RequestFileSystemAccessAsync,
+                    int /* render_frame_id */,
+                    int /* request_id */,
+                    GURL /* origin_url */,
+                    GURL /* top origin url */)
+
 // Sent by the renderer process to check whether access to Indexed DBis
 // granted by content settings.
 IPC_SYNC_MESSAGE_CONTROL4_1(ChromeViewHostMsg_AllowIndexedDB,