[Autofill] Migrate ChromePasswordManagerClient<-->PasswordGenerationAgent IPCs to mojo.

content/public/common/associated_interface_provider.h

 // Copyright 2016 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.
 
 #ifndef CONTENT_PUBLIC_COMMON_ASSOCIATED_INTERFACE_PROVIDER_H_
 #define CONTENT_PUBLIC_COMMON_ASSOCIATED_INTERFACE_PROVIDER_H_
 
 #include <string>
 
 #include "mojo/public/cpp/bindings/associated_interface_ptr.h"
@@ skipping 13 matching lines @@
 // which must be assocaited with an IPC::Channel, i.e. retain FIFO message
 // ordering with respect to legacy IPC messages.
 //
 // The Channel with which the remote interfaces are associated depends on
 // the configuration of the specific AssociatedInterfaceProvider instance. For
 // example, RenderFrameHost exposes an instance of this class for which all
 // interfaces are associted with the IPC::ChannelProxy to the render process
 // which hosts its corresponding RenderFrame.
 class AssociatedInterfaceProvider {
  public:
+  class TestApi {

[Ken Rockot(use gerrit already), 2016/09/20 18:26:20]

I don't think we need to emulate what's done in InterfaceRegistry. And there's
no use of ClearBinders() in this CL anyway.

Can you just add a public OverrideBinderForTesting(name, callback) method on
AssociatedInterfaceProvider/Impl?

[leonhsl(Using Gerrit), 2016/09/21 11:46:57]

Done and thanks!

+   public:
+    explicit TestApi(AssociatedInterfaceProvider* provider)
+        : provider_(provider) {}
+    ~TestApi() {}
+
+    void SetBinderForName(const std::string& name,
+                          const base::Callback<void(
+                              mojo::ScopedInterfaceEndpointHandle)>& binder) {
+      provider_->SetBinderForName(name, binder);
+    }
+
+    void ClearBinders() { provider_->ClearBinders(); }
+
+   private:
+    AssociatedInterfaceProvider* provider_;
+    DISALLOW_COPY_AND_ASSIGN(TestApi);
+  };
+
   virtual ~AssociatedInterfaceProvider() {}
 
   // Passes an associated endpoint handle to the remote end to be bound to a
   // Channel-associated interface named |name|.
   virtual void GetInterface(const std::string& name,
                             mojo::ScopedInterfaceEndpointHandle handle) = 0;
 
   // Returns an AssociatedGroup for the provider. This may be used to create
   // new associated endpoints for use with Channel-associated interfaces.
   virtual mojo::AssociatedGroup* GetAssociatedGroup() = 0;
 
   // Templated helper for GetInterface().
   template <typename Interface>
   void GetInterface(mojo::AssociatedInterfacePtr<Interface>* proxy) {
     mojo::AssociatedInterfaceRequest<Interface> request =
         mojo::GetProxy(proxy, GetAssociatedGroup());
     GetInterface(Interface::Name_, request.PassHandle());
   }
+
+ private:
+  virtual void SetBinderForName(
+      const std::string& name,
+      const base::Callback<void(mojo::ScopedInterfaceEndpointHandle)>&
+          binder) = 0;
+  virtual void ClearBinders() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_ASSOCIATED_INTERFACE_PROVIDER_H_