Remove all uses of the global Dispatcher Get function.

ppapi/proxy/ppapi_proxy_test.h

 // Copyright (c) 2011 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 "base/scoped_ptr.h"
 #include "ipc/ipc_test_sink.h"
 #include "ppapi/c/pp_instance.h"
+#include "ppapi/proxy/host_dispatcher.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_resource_tracker.h"
 #include "ppapi/proxy/plugin_var_tracker.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace pp {
 namespace proxy {
 
+// Base class for plugin and host tests. Tests will not use this directly.
+// Instead, use the Plugin or HostProxyTest.
+class ProxyTestBase : public testing::Test {
+ public:
+  ProxyTestBase();
+  virtual ~ProxyTestBase();
+
+  PP_Module pp_module() const { return pp_module_; }
+  PP_Instance pp_instance() const { return pp_instance_; }
+  IPC::TestSink& sink() { return sink_; }
+
+  // Returns either the plugin or host dispatcher, depending on the test.
+  virtual Dispatcher* GetDispatcher() = 0;
+
+  // Implementation of GetInterface for the dispatcher. This will
+  // return NULL for all interfaces unless one is registered by calling
+  // RegisterTestInterface();
+  const void* GetInterface(const char* name);
+
+  // Allows the test to specify an interface implementation for a given
+  // interface name. This will be returned when any of the proxy logic
+  // requests a local interface.
+  void RegisterTestInterface(const char* name, const void* interface);
+
+  // Sends a "supports interface" message to the current dispatcher and returns
+  // true if it's supported. This is just for the convenience of tests.
+  bool SupportsInterface(const char* name);
+
+ private:
+  // Destination for IPC messages sent by the test.
+  IPC::TestSink sink_;
+
+  // The module and instance ID associated with the plugin dispatcher.
+  PP_Module pp_module_;
+  PP_Instance pp_instance_;
+
+  // Stores the data for GetInterface/RegisterTestInterface.
+  std::map<std::string, const void*> registered_interfaces_;
+};
+
 // Test harness for the plugin side of the proxy.
-class PluginProxyTest : public testing::Test {
+class PluginProxyTest : public ProxyTestBase {
  public:
   PluginProxyTest();
-  ~PluginProxyTest();
-
-  virtual void SetUp();
-  virtual void TearDown();
-
-  // The instance ID associated with the plugin dispatcher.
-  PP_Instance pp_instance() const { return pp_instance_; }
+  virtual ~PluginProxyTest();
 
   PluginDispatcher* plugin_dispatcher() { return plugin_dispatcher_.get(); }
-
   PluginResourceTracker& resource_tracker() { return resource_tracker_; }
   PluginVarTracker& var_tracker() { return var_tracker_; }
 
-  IPC::TestSink& sink() { return sink_; }
+  // ProxyTestBase implementation.
+  virtual Dispatcher* GetDispatcher();
+
+  // testing::Test implementation.
+  virtual void SetUp();
+  virtual void TearDown();
 
  private:
   PluginResourceTracker resource_tracker_;
   PluginVarTracker var_tracker_;
+  scoped_ptr<PluginDispatcher> plugin_dispatcher_;
+};
 
-  PP_Instance pp_instance_;
-  scoped_ptr<PluginDispatcher> plugin_dispatcher_;
+class HostProxyTest : public ProxyTestBase {
+ public:
+  HostProxyTest();
+  virtual ~HostProxyTest();
 
-  IPC::TestSink sink_;
+  HostDispatcher* host_dispatcher() { return host_dispatcher_.get(); }
+
+  // ProxyTestBase implementation.
+  virtual Dispatcher* GetDispatcher();
+
+  // testing::Test implementation.
+  virtual void SetUp();
+  virtual void TearDown();
+
+ private:
+  scoped_ptr<HostDispatcher> host_dispatcher_;
 };
 
 }  // namespace proxy
 }  // namespace pp