Use implicit_cast<> instead of static_cast<> whenever possible

minidump/minidump_system_info_writer_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,
@@ skipping 261 matching lines @@
 }
 
 TEST(MinidumpSystemInfoWriter, InitializeFromSnapshot_X86) {
   MINIDUMP_SYSTEM_INFO expect_system_info = {};
 
   const uint16_t kCPUFamily = 6;
   const uint8_t kCPUModel = 70;
   const uint8_t kCPUStepping = 1;
 
   const uint8_t kCPUBasicFamily =
-      std::min(kCPUFamily, static_cast<uint16_t>(15));
+      std::min(kCPUFamily, implicit_cast<uint16_t>(15));
   const uint8_t kCPUExtendedFamily = kCPUFamily - kCPUBasicFamily;
 
   // These checks ensure that even if the constants above change, they represent
   // something that can legitimately be encoded in the form used by cpuid 1 eax.
   EXPECT_LE(kCPUFamily, 270);
   EXPECT_LE(kCPUStepping, 15);
   EXPECT_TRUE(kCPUBasicFamily == 6 || kCPUBasicFamily == 15 || kCPUModel <= 15);
 
   const uint8_t kCPUBasicModel = kCPUModel & 0xf;
   const uint8_t kCPUExtendedModel = kCPUModel >> 4;
@@ skipping 175 matching lines @@
   minidump_file_writer.AddStream(system_info_writer.Pass());
 
   StringFileWriter file_writer;
   ASSERT_DEATH(minidump_file_writer.WriteEverything(&file_writer),
                "csd_version_");
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace crashpad