Add IPC plumbing code for FileSystem API's openFileSystem

chrome/common/render_messages_internal.h

Index: chrome/common/render_messages_internal.h
diff --git a/chrome/common/render_messages_internal.h b/chrome/common/render_messages_internal.h
index 5c445c87ac8dfe79bfd42ef61965f84ce9b3629e..4a1520164e2634d014fef9923334751db1125feb 100644
--- a/chrome/common/render_messages_internal.h
+++ b/chrome/common/render_messages_internal.h
@@ -998,6 +998,13 @@ IPC_BEGIN_MESSAGES(View)
   IPC_MESSAGE_ROUTED1(ViewMsg_DeviceOrientationUpdated,
                       ViewMsg_DeviceOrientationUpdated_Params)
 
+  // WebFrameClient::openFileSystem response messages.
+  IPC_MESSAGE_ROUTED4(ViewMsg_OpenFileSystemRequest_Complete,
+                      int /* request_id */,
+                      bool /* accepted */,
+                      string16 /* name */,
+                      string16 /* root_path */)
+
 IPC_END_MESSAGES(View)
 
 
@@ -2650,4 +2657,12 @@ IPC_BEGIN_MESSAGES(ViewHost)
   IPC_MESSAGE_CONTROL1(ViewHostMsg_DeviceOrientation_StopUpdating,
                        int /* render_view_id */)
 
+//-----------------------------------------------------------------------------
+  // FileSystem API messages
+  // These are messages sent from the renderer to the browser process.
+
+  // WebFrameClient::openFileSystem() message.
+  IPC_MESSAGE_CONTROL1(ViewHostMsg_OpenFileSystemRequest,
+                       ViewHostMsg_OpenFileSystemRequest_Params)
+
 IPC_END_MESSAGES(ViewHost)