Revert "Add initial support for compiler unit tests using GTest/GMock."

test/compiler-unittests/arm/instruction-selector-arm-unittest.cc

-// Copyright 2014 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "test/compiler-unittests/instruction-selector-unittest.h"
-
-namespace v8 {
-namespace internal {
-namespace compiler {
-
-class InstructionSelectorARMTest : public InstructionSelectorTest {};
-
-
-COMPILER_TEST_F(InstructionSelectorARMTest, Int32AddP) {
-  StreamBuilder m(this, kMachineWord32, kMachineWord32, kMachineWord32);
-  m.Return(m.Int32Add(m.Parameter(0), m.Parameter(1)));
-  Stream s = m.Build();
-  ASSERT_EQ(1U, s.size());
-  EXPECT_EQ(kArmAdd, s[0]->arch_opcode());
-  EXPECT_EQ(kMode_Operand2_R, s[0]->addressing_mode());
-  EXPECT_EQ(2U, s[0]->InputCount());
-  EXPECT_EQ(1U, s[0]->OutputCount());
-}
-
-}  // namespace compiler
-}  // namespace internal
-}  // namespace v8