Rename the shared impl files.

ppapi/shared_impl/ppb_opengles2_shared.h

Index: ppapi/shared_impl/ppb_opengles2_shared.h
diff --git a/ppapi/shared_impl/opengles2_impl.h b/ppapi/shared_impl/ppb_opengles2_shared.h
similarity index 64%
rename from ppapi/shared_impl/opengles2_impl.h
rename to ppapi/shared_impl/ppb_opengles2_shared.h
index 4ed6e90976d653175faefa36965d3fae3913fe42..2b4c9f9110c5a9b0f21581c1b5f73023a30b1be4 100644
--- a/ppapi/shared_impl/opengles2_impl.h
+++ b/ppapi/shared_impl/ppb_opengles2_shared.h
@@ -2,20 +2,20 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef PPAPI_SHARED_IMPL_OPENGLES2_IMPL_H_
-#define PPAPI_SHARED_IMPL_OPENGLES2_IMPL_H_
+#ifndef PPAPI_SHARED_IMPL_PPB_OPENGLES2_SHARED_H_
+#define PPAPI_SHARED_IMPL_PPB_OPENGLES2_SHARED_H_
 
 #include "ppapi/c/ppb_opengles2.h"
 #include "ppapi/shared_impl/ppapi_shared_export.h"
 
 namespace ppapi {
 
-class PPAPI_SHARED_EXPORT OpenGLES2Impl {
+class PPAPI_SHARED_EXPORT PPB_OpenGLES2_Shared {
  public:
   static const PPB_OpenGLES2* GetInterface();
 };
 
 }  // namespace ppapi
 
-#endif  // PPAPI_SHARED_IMPL_OPENGLES2_IMPL_H_
+#endif  // PPAPI_SHARED_IMPL_PPB_OPENGLES2_SHARED_H_