Initialy renderer ppapi host in ppapi_unittests to fix nullptr access.

content/renderer/pepper/renderer_ppapi_host_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 31 matching lines @@
   // Factory functions to create in process or out-of-process host impls. The
   // host will be created and associated with the given module, which must not
   // already have embedder state on it.
   //
   // The module will take ownership of the new host impl. The returned value
   // does not pass ownership, it's just for the information of the caller.
   static RendererPpapiHostImpl* CreateOnModuleForOutOfProcess(
       PluginModule* module,
       ppapi::proxy::HostDispatcher* dispatcher,
       const ppapi::PpapiPermissions& permissions);
-  static RendererPpapiHostImpl* CreateOnModuleForInProcess(
+  CONTENT_EXPORT static RendererPpapiHostImpl* CreateOnModuleForInProcess(
       PluginModule* module,
       const ppapi::PpapiPermissions& permissions);
 
   // Returns the RendererPpapiHostImpl associated with the given PP_Instance,
   // or NULL if the instance is invalid.
   static RendererPpapiHostImpl* GetForPPInstance(PP_Instance pp_instance);
 
   // Returns the router that we use for in-process IPC emulation (see the
   // pepper_in_process_router.h for more). This will be NULL when the plugin
   // is running out-of-process.
@@ skipping 80 matching lines @@
 
   // The scale between the viewport and dip.
   float viewport_to_dip_scale_ = 1.0f;
 
   DISALLOW_COPY_AND_ASSIGN(RendererPpapiHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_