Disable blitframebuffer-size-overflow on Linux NVIDIA P400

content/test/gpu/gpu_tests/webgl2_conformance_expectations.py

Index: content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
diff --git a/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py b/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
index ecb27677b8565bb76b086c95ccaca81eccc00746..15e65648b0c2f5de124d49e7d19effa09bed0c99 100644
--- a/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
+++ b/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
@@ -712,6 +712,9 @@ class WebGL2ConformanceExpectations(WebGLConformanceExpectations):
     # Linux NVIDIA Quadro P400
     self.Fail('deqp/functional/gles3/multisample.html',
         ['linux', ('nvidia', 0x1cb3)], bug=702861)
+    # This test causes a lost device and then the next test fails.
+    self.Skip('conformance2/rendering/blitframebuffer-size-overflow.html',
+        ['linux', ('nvidia', 0x1cb3)], bug=709320)
 
     # Linux Intel
     self.Fail('conformance2/extensions/ext-color-buffer-float.html',