Implement in-process PPB_VarArrayBuffer_Dev.

ppapi/shared_impl/test_globals.h

Index: ppapi/shared_impl/test_globals.h
diff --git a/ppapi/shared_impl/test_globals.h b/ppapi/shared_impl/test_globals.h
index d5d143934cca30d11f9cb8d61a9e38d81c5a9864..49f189f2d085877c81877c28f2ac95eddce0814b 100644
--- a/ppapi/shared_impl/test_globals.h
+++ b/ppapi/shared_impl/test_globals.h
@@ -12,6 +12,15 @@
 
 namespace ppapi {
 
+class TestVarTracker : public VarTracker {
+ public:
+  TestVarTracker() {}
+  virtual ~TestVarTracker() {}
+  virtual ArrayBufferVar* CreateArrayBuffer(uint32 size_in_bytes) OVERRIDE {
+    return NULL;
+  }
+};
+
 // Implementation of PpapiGlobals for tests that don't need either the host- or
 // plugin-specific implementations.
 class TestGlobals : public PpapiGlobals {
@@ -28,7 +37,7 @@ class TestGlobals : public PpapiGlobals {
 
  private:
   ResourceTracker resource_tracker_;
-  VarTracker var_tracker_;
+  TestVarTracker var_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(TestGlobals);
 };