Make it possible to run WebGL conformance tests on Android

content/test/gpu/gpu_test_config.h

Index: content/test/gpu/gpu_test_config.h
diff --git a/content/test/gpu/gpu_test_config.h b/content/test/gpu/gpu_test_config.h
index c50c6b3fcbca70b188cb8f0f0cf169b6f5b46527..ca0131404464739ec87199ab74331ed9df6aec9b 100644
--- a/content/test/gpu/gpu_test_config.h
+++ b/content/test/gpu/gpu_test_config.h
@@ -63,9 +63,16 @@ class GPUTestConfig {
   // both configs.
   bool OverlapsWith(const GPUTestConfig& config) const;
 
+  // Disable validation of GPU vendor and device ids.
+  void DisableGPUInfoValidation();
+
  protected:
   void ClearGPUVendor();
 
+  // Indicates that the OS has the notion of a numeric GPU vendor and device id
+  // and this data should be validated.
+  bool validate_gpu_info_;
+
  private:
   // operating system.
   int32 os_;