Support file system access in DevTools with isolated file system.

content/renderer/devtools/devtools_client.cc

Index: content/renderer/devtools/devtools_client.cc
diff --git a/content/renderer/devtools/devtools_client.cc b/content/renderer/devtools/devtools_client.cc
index 09ec5063214426eed3462e335e2208e3081ea7e9..65d0ef8403351b0c54f21f9e0db8aca662538f67 100644
--- a/content/renderer/devtools/devtools_client.cc
+++ b/content/renderer/devtools/devtools_client.cc
@@ -89,6 +89,20 @@ void DevToolsClient::append(const WebKit::WebString& url,
                                   content.utf8()));
 }
 
+void DevToolsClient::requestFilesystems() {
+  Send(new DevToolsHostMsg_RequestFilesystems(routing_id()));
+}
+
+void DevToolsClient::addFilesystem() {
+  Send(new DevToolsHostMsg_AddFilesystem(routing_id()));
+}
+
+void DevToolsClient::removeFilesystem(const WebString& fileSystemPath) {
+  Send(new DevToolsHostMsg_RemoveFilesystem(routing_id(),
+                                            fileSystemPath.utf8()));
+}
+
+
 void DevToolsClient::OnDispatchOnInspectorFrontend(const std::string& message) {
   web_tools_frontend_->dispatchOnInspectorFrontend(
       WebString::fromUTF8(message));