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 d6cfa7c5b62c5a4a23f0ad56e2371e8b72b58acd..95cc1825b0d54f461cce28c0c1b0a98557ea7aae 100644
--- a/chrome/common/render_messages.h
+++ b/chrome/common/render_messages.h
@@ -316,6 +316,11 @@ 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 */)
@@ -427,12 +432,19 @@ 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_ROUTED3(ChromeViewHostMsg_RequestFileSystemAccessAsync,
+                    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,