Temporarily crash the GPU process when unexpected failures happen.

gpu/command_buffer/service/gles2_cmd_decoder_unittest.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_unittest.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_unittest.cc b/gpu/command_buffer/service/gles2_cmd_decoder_unittest.cc
index ae525d457c924428fe48c9dd3891b4a22f737cb0..162eb6a7ffbe612bf6d023235c5f81a84952041e 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_unittest.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_unittest.cc
@@ -992,12 +992,15 @@ TEST_P(GLES2DecoderManualInitTest, BeginInvalidTargetQueryFails) {
   GenHelper<GenQueriesEXTImmediate>(kNewClientId);
 
   BeginQueryEXT begin_cmd;
+#if !defined(OS_MACOSX)
+  // TODO(dyen): Remove once we know what is failing.
   begin_cmd.Init(GL_COMMANDS_COMPLETED_CHROMIUM,
                  kNewClientId,
                  kSharedMemoryId,
                  kSharedMemoryOffset);
   EXPECT_EQ(error::kNoError, ExecuteCmd(begin_cmd));
   EXPECT_EQ(GL_INVALID_OPERATION, GetGLError());
+#endif // !defined(OS_MACOSX)
 
   begin_cmd.Init(GL_ANY_SAMPLES_PASSED,
                  kNewClientId,