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 31db0537368006a84537f9e33ebeb48f08fb624e..db3e56cd4afabb0ba40f34fe0c6a68a66c48d142 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));