Apply renaming of ppapi shared stuff to new ppb_var shared code.

ppapi/shared_impl/ppb_var_shared.cc

Index: ppapi/shared_impl/ppb_var_shared.cc
diff --git a/ppapi/shared_impl/ppb_var_impl.cc b/ppapi/shared_impl/ppb_var_shared.cc
similarity index 90%
rename from ppapi/shared_impl/ppb_var_impl.cc
rename to ppapi/shared_impl/ppb_var_shared.cc
index d279b8b4f89709dbcce31f1520c22bfbcbd25380..c548ba7752ec294afa44be115b90cacfca8d1b0d 100644
--- a/ppapi/shared_impl/ppb_var_impl.cc
+++ b/ppapi/shared_impl/ppb_var_shared.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ppapi/shared_impl/ppb_var_impl.h"
+#include "ppapi/shared_impl/ppb_var_shared.h"
 
 #include <limits>
 
@@ -65,12 +65,12 @@ const PPB_Var_1_0 var_interface1_0 = {
 }  // namespace
 
 // static
-const PPB_Var* PPB_Var_Impl::GetVarInterface() {
+const PPB_Var* PPB_Var_Shared::GetVarInterface() {
   return &var_interface;
 }
 
 // static
-const PPB_Var_1_0* PPB_Var_Impl::GetVarInterface1_0() {
+const PPB_Var_1_0* PPB_Var_Shared::GetVarInterface1_0() {
   return &var_interface1_0;
 }