Implement SysInfo::HardwareModelName() on iOS.

base/sys_info_unittest.cc

 // Copyright (c) 2012 The Chromium 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 <stdint.h>
 
 #include "base/environment.h"
 #include "base/files/file_util.h"
 #include "base/process/process_metrics.h"
 #include "base/sys_info.h"
@@ skipping 77 matching lines @@
 TEST_F(SysInfoTest, Uptime) {
   TimeDelta up_time_1 = SysInfo::Uptime();
   // UpTime() is implemented internally using TimeTicks::Now(), which documents
   // system resolution as being 1-15ms. Sleep a little longer than that.
   PlatformThread::Sleep(TimeDelta::FromMilliseconds(20));
   TimeDelta up_time_2 = SysInfo::Uptime();
   EXPECT_GT(up_time_1.InMicroseconds(), 0);
   EXPECT_GT(up_time_2.InMicroseconds(), up_time_1.InMicroseconds());
 }
 
-#if defined(OS_MACOSX) && !defined(OS_IOS)
+#if defined(OS_MACOSX)
 TEST_F(SysInfoTest, HardwareModelName) {
   std::string hardware_model = SysInfo::HardwareModelName();
   EXPECT_FALSE(hardware_model.empty());
 }
 #endif
 
 #if defined(OS_CHROMEOS)
 
 TEST_F(SysInfoTest, GoogleChromeOSVersionNumbers) {
   int32_t os_major_version = -1;
@@ skipping 79 matching lines @@
   EXPECT_EQ("glimmer", SysInfo::GetStrippedReleaseBoard());
 
   const char* kLsbRelease2 = "CHROMEOS_RELEASE_BOARD=glimmer-signed-mp-v4keys";
   SysInfo::SetChromeOSVersionInfoForTest(kLsbRelease2, Time());
   EXPECT_EQ("glimmer", SysInfo::GetStrippedReleaseBoard());
 }
 
 #endif  // OS_CHROMEOS
 
 }  // namespace base