DevTools: untangle device discovery request from the devtools android bridge.

content/browser/devtools/devtools_manager_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/devtools/devtools_manager.h"
 
 #include <memory>
 
 #include "base/guid.h"
 #include "base/location.h"
@@ skipping 222 matching lines @@
   void expectEvent(int count, const std::string& name) {
     EXPECT_EQ(count, event_counter_[name]);
   }
 
   void Attach(DevToolsExternalAgentProxy* proxy) override {
     recordEvent("Attach");
   };
 
   void Detach() override { recordEvent("Detach"); };
 
-  std::string GetType() override { return ""; }
-  std::string GetTitle() override { return ""; }
-  std::string GetDescription() override { return ""; }
+  std::string GetType() override { return std::string(); }
+  std::string GetTitle() override { return std::string(); }
+  std::string GetDescription() override { return std::string(); }
   GURL GetURL() override { return GURL(); }
   GURL GetFaviconURL() override { return GURL(); }
-
+  std::string GetFrontendURL() override { return std::string(); }
   bool Activate() override { return false; };
-  bool Inspect() override { return false; };
   void Reload() override { };
   bool Close() override { return false; };
 
   void SendMessageToBackend(const std::string& message) override {
     recordEvent(std::string("SendMessageToBackend.") + message);
   };
 
 };
 
 TEST_F(DevToolsManagerTest, TestExternalProxy) {
   std::unique_ptr<TestExternalAgentDelegate> delegate(
       new TestExternalAgentDelegate());
 
   scoped_refptr<DevToolsAgentHost> agent_host =
       DevToolsAgentHost::Forward(base::GenerateGUID(), std::move(delegate));
   EXPECT_EQ(agent_host, DevToolsAgentHost::GetForId(agent_host->GetId()));
 
   TestDevToolsClientHost client_host;
   client_host.InspectAgentHost(agent_host.get());
   agent_host->DispatchProtocolMessage(&client_host, "message1");
   agent_host->DispatchProtocolMessage(&client_host, "message2");
   agent_host->DispatchProtocolMessage(&client_host, "message2");
 
   client_host.Close();
 }
 
 }  // namespace content