Use implicit_cast<> instead of static_cast<> whenever possible

client/capture_context_mac_test.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #include "client/capture_context_mac.h"
 
 #include <mach/mach.h>
 #include <stdint.h>
 
 #include <algorithm>
 
+#include "base/basictypes.h"
 #include "build/build_config.h"
 #include "gtest/gtest.h"
 
 namespace crashpad {
 namespace test {
 namespace {
 
 // If the context structure has fields that tell whether it’s valid, such as
 // magic numbers or size fields, sanity-checks those fields for validity with
 // fatal gtest assertions. For other fields, where it’s possible to reason about
 // their validity based solely on their contents, sanity-checks via nonfatal
 // gtest assertions.
 void SanityCheckContext(NativeCPUContext* context) {
 #if defined(ARCH_CPU_X86)
   ASSERT_EQ(x86_THREAD_STATE32, context->tsh.flavor);
-  ASSERT_EQ(static_cast<int>(x86_THREAD_STATE32_COUNT), context->tsh.count);
+  ASSERT_EQ(implicit_cast<int>(x86_THREAD_STATE32_COUNT), context->tsh.count);
 #elif defined(ARCH_CPU_X86_64)
   ASSERT_EQ(x86_THREAD_STATE64, context->tsh.flavor);
-  ASSERT_EQ(static_cast<int>(x86_THREAD_STATE64_COUNT), context->tsh.count);
+  ASSERT_EQ(implicit_cast<int>(x86_THREAD_STATE64_COUNT), context->tsh.count);
 #endif
 
 #if defined(ARCH_CPU_X86_FAMILY)
   // The segment registers are only capable of storing 16-bit quantities, but
   // the context structure provides native integer-width fields for them. Ensure
   // that the high bits are all clear.
   //
   // Many bit positions in the flags register are reserved and will always read
   // a known value. Most reservd bits are always 0, but bit 1 is always 1. Check
   // that the reserved bits are all set to their expected values. Note that the
@@ skipping 87 matching lines @@
   EXPECT_GT(ProgramCounterFromContext(&context_2), pc);
 }
 
 TEST(CaptureContextMac, CaptureContext) {
   ASSERT_NO_FATAL_FAILURE(TestCaptureContext());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace crashpad