Disable timestamps in WebGL.

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 2749 matching lines @@
             return WebGLAny(scriptState, maxColorAttachments());
         synthesizeGLError(GL_INVALID_ENUM, "getParameter", "invalid parameter name, WEBGL_draw_buffers not enabled");
         return ScriptValue::createNull(scriptState);
     case GL_MAX_DRAW_BUFFERS_EXT:
         if (extensionEnabled(WebGLDrawBuffersName) || isWebGL2OrHigher())
             return WebGLAny(scriptState, maxDrawBuffers());
         synthesizeGLError(GL_INVALID_ENUM, "getParameter", "invalid parameter name, WEBGL_draw_buffers not enabled");
         return ScriptValue::createNull(scriptState);
     case GL_TIMESTAMP_EXT:
         if (extensionEnabled(EXTDisjointTimerQueryName))
-            return getInt64Parameter(scriptState, GL_TIMESTAMP_EXT);
+            return WebGLAny(scriptState, 0);
         synthesizeGLError(GL_INVALID_ENUM, "getParameter", "invalid parameter name, EXT_disjoint_timer_query not enabled");
         return ScriptValue::createNull(scriptState);
     case GL_GPU_DISJOINT_EXT:
         if (extensionEnabled(EXTDisjointTimerQueryName))
             return getBooleanParameter(scriptState, GL_GPU_DISJOINT_EXT);
         synthesizeGLError(GL_INVALID_ENUM, "getParameter", "invalid parameter name, EXT_disjoint_timer_query not enabled");
         return ScriptValue::createNull(scriptState);
 
     default:
         if ((extensionEnabled(WebGLDrawBuffersName) || isWebGL2OrHigher())
@@ skipping 3514 matching lines @@
         webContext()->pixelStorei(GL_UNPACK_ALIGNMENT, 1);
 }
 
 void WebGLRenderingContextBase::restoreUnpackParameters()
 {
     if (m_unpackAlignment != 1)
         webContext()->pixelStorei(GL_UNPACK_ALIGNMENT, m_unpackAlignment);
 }
 
 } // namespace blink