Rewrite PPB_AudioInput_Dev to use the new-style host/resource.

content/renderer/pepper/mock_renderer_ppapi_host.h

Index: content/renderer/pepper/mock_renderer_ppapi_host.h
diff --git a/content/renderer/pepper/mock_renderer_ppapi_host.h b/content/renderer/pepper/mock_renderer_ppapi_host.h
index 115cb579d27b849426c3f6b789cf5160cbd34dfd..7f5ba0d3974c9d26e1198db24fd84239d6e7ee5a 100644
--- a/content/renderer/pepper/mock_renderer_ppapi_host.h
+++ b/content/renderer/pepper/mock_renderer_ppapi_host.h
@@ -39,11 +39,16 @@ class MockRendererPpapiHost : public RendererPpapiHost {
   // RendererPpapiHost.
   virtual ppapi::host::PpapiHost* GetPpapiHost() OVERRIDE;
   virtual bool IsValidInstance(PP_Instance instance) const OVERRIDE;
+  virtual webkit::ppapi::PluginInstance* GetPluginInstance(
+      PP_Instance instance) const OVERRIDE;
   virtual RenderView* GetRenderViewForInstance(
       PP_Instance instance) const OVERRIDE;
   virtual WebKit::WebPluginContainer* GetContainerForInstance(
       PP_Instance instance) const OVERRIDE;
   virtual bool HasUserGesture(PP_Instance instance) const OVERRIDE;
+  virtual IPC::PlatformFileForTransit ShareHandleWithRemote(
+      base::PlatformFile handle,
+      bool should_close_source) OVERRIDE;
 
  private:
   ppapi::proxy::ResourceMessageTestSink sink_;