glGetProgramiv was returning incorrect values for GL_ACTIVE_UNIFORM_MAX_LENGT...

gpu/command_buffer/service/program_manager_unittest.cc

Index: gpu/command_buffer/service/program_manager_unittest.cc
===================================================================
--- gpu/command_buffer/service/program_manager_unittest.cc	(revision 45593)
+++ gpu/command_buffer/service/program_manager_unittest.cc	(working copy)
@@ -416,8 +416,9 @@
   EXPECT_EQ(2, value);
   // Check that our max length adds room for the array spec and is not as long
   // as the "gl_" uniform we skipped.
+  // +4u is to account for "gl_" and NULL terminator.
   program_info->GetProgramiv(GL_ACTIVE_UNIFORM_MAX_LENGTH, &value);
-  EXPECT_EQ(strlen(kUniform3Name) + 3u, static_cast<size_t>(value));
+  EXPECT_EQ(strlen(kUniform3Name) + 4u, static_cast<size_t>(value));
 }
 
 }  // namespace gles2