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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/public/app/content_main_runner.h" | 5 #include "content/public/app/content_main_runner.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 #include <stdlib.h> | 8 #include <stdlib.h> |
9 #include <string.h> | 9 #include <string.h> |
10 | 10 |
11 #include <memory> | 11 #include <memory> |
12 #include <string> | 12 #include <string> |
13 #include <utility> | 13 #include <utility> |
14 | 14 |
15 #include "base/allocator/allocator_check.h" | 15 #include "base/allocator/allocator_check.h" |
16 #include "base/allocator/allocator_extension.h" | 16 #include "base/allocator/allocator_extension.h" |
17 #include "base/at_exit.h" | 17 #include "base/at_exit.h" |
18 #include "base/base_switches.h" | 18 #include "base/base_switches.h" |
19 #include "base/command_line.h" | 19 #include "base/command_line.h" |
20 #include "base/debug/debugger.h" | 20 #include "base/debug/debugger.h" |
21 #include "base/debug/stack_trace.h" | 21 #include "base/debug/stack_trace.h" |
22 #include "base/feature_list.h" | 22 #include "base/feature_list.h" |
23 #include "base/files/file_path.h" | 23 #include "base/files/file_path.h" |
24 #include "base/i18n/icu_util.h" | 24 #include "base/i18n/icu_util.h" |
25 #include "base/lazy_instance.h" | 25 #include "base/lazy_instance.h" |
26 #include "base/logging.h" | 26 #include "base/logging.h" |
27 #include "base/macros.h" | 27 #include "base/macros.h" |
28 #include "base/memory/scoped_vector.h" | 28 #include "base/memory/scoped_vector.h" |
| 29 #include "base/memory/shared_memory.h" |
29 #include "base/metrics/field_trial.h" | 30 #include "base/metrics/field_trial.h" |
30 #include "base/metrics/histogram_base.h" | 31 #include "base/metrics/histogram_base.h" |
31 #include "base/metrics/statistics_recorder.h" | 32 #include "base/metrics/statistics_recorder.h" |
32 #include "base/path_service.h" | 33 #include "base/path_service.h" |
33 #include "base/process/launch.h" | 34 #include "base/process/launch.h" |
34 #include "base/process/memory.h" | 35 #include "base/process/memory.h" |
| 36 #include "base/process/process.h" |
35 #include "base/process/process_handle.h" | 37 #include "base/process/process_handle.h" |
36 #include "base/profiler/scoped_tracker.h" | 38 #include "base/profiler/scoped_tracker.h" |
37 #include "base/strings/string_number_conversions.h" | 39 #include "base/strings/string_number_conversions.h" |
38 #include "base/strings/string_util.h" | 40 #include "base/strings/string_util.h" |
39 #include "base/strings/stringprintf.h" | 41 #include "base/strings/stringprintf.h" |
40 #include "base/trace_event/trace_event.h" | 42 #include "base/trace_event/trace_event.h" |
41 #include "build/build_config.h" | 43 #include "build/build_config.h" |
42 #include "components/tracing/browser/trace_config_file.h" | 44 #include "components/tracing/browser/trace_config_file.h" |
43 #include "components/tracing/common/trace_to_console.h" | 45 #include "components/tracing/common/trace_to_console.h" |
44 #include "components/tracing/common/tracing_switches.h" | 46 #include "components/tracing/common/tracing_switches.h" |
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139 *base::CommandLine::ForCurrentProcess(); | 141 *base::CommandLine::ForCurrentProcess(); |
140 | 142 |
141 // Initialize statistical testing infrastructure. We set the entropy | 143 // Initialize statistical testing infrastructure. We set the entropy |
142 // provider to nullptr to disallow non-browser processes from creating | 144 // provider to nullptr to disallow non-browser processes from creating |
143 // their own one-time randomized trials; they should be created in the | 145 // their own one-time randomized trials; they should be created in the |
144 // browser process. | 146 // browser process. |
145 field_trial_list->reset(new base::FieldTrialList(nullptr)); | 147 field_trial_list->reset(new base::FieldTrialList(nullptr)); |
146 | 148 |
147 // Ensure any field trials in browser are reflected into the child | 149 // Ensure any field trials in browser are reflected into the child |
148 // process. | 150 // process. |
| 151 #if defined(OS_WIN) |
| 152 if (command_line.HasSwitch("field_trial_handle")) { |
| 153 int field_trial_handle = std::stoi( |
| 154 command_line.GetSwitchValueASCII("field_trial_handle")); |
| 155 size_t field_trial_length = std::stoi( |
| 156 command_line.GetSwitchValueASCII("field_trial_length")); |
| 157 |
| 158 HANDLE handle = reinterpret_cast<HANDLE>(field_trial_handle); |
| 159 base::SharedMemoryHandle shm_handle = base::SharedMemoryHandle( |
| 160 handle, base::GetCurrentProcId()); |
| 161 |
| 162 base::SharedMemory shared_memory(shm_handle, false); |
| 163 shared_memory.Map(field_trial_length); |
| 164 |
| 165 char *field_trial_state = static_cast<char*>(shared_memory.memory()); |
| 166 bool result = base::FieldTrialList::CreateTrialsFromString( |
| 167 std::string(field_trial_state), |
| 168 std::set<std::string>()); |
| 169 DCHECK(result); |
| 170 } |
| 171 #else |
149 if (command_line.HasSwitch(switches::kForceFieldTrials)) { | 172 if (command_line.HasSwitch(switches::kForceFieldTrials)) { |
150 bool result = base::FieldTrialList::CreateTrialsFromString( | 173 bool result = base::FieldTrialList::CreateTrialsFromString( |
151 command_line.GetSwitchValueASCII(switches::kForceFieldTrials), | 174 command_line.GetSwitchValueASCII(switches::kForceFieldTrials), |
152 std::set<std::string>()); | 175 std::set<std::string>()); |
153 DCHECK(result); | 176 DCHECK(result); |
154 } | 177 } |
| 178 #endif |
155 | 179 |
156 std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList); | 180 std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList); |
157 feature_list->InitializeFromCommandLine( | 181 feature_list->InitializeFromCommandLine( |
158 command_line.GetSwitchValueASCII(switches::kEnableFeatures), | 182 command_line.GetSwitchValueASCII(switches::kEnableFeatures), |
159 command_line.GetSwitchValueASCII(switches::kDisableFeatures)); | 183 command_line.GetSwitchValueASCII(switches::kDisableFeatures)); |
160 base::FeatureList::SetInstance(std::move(feature_list)); | 184 base::FeatureList::SetInstance(std::move(feature_list)); |
161 } | 185 } |
162 | 186 |
163 } // namespace | 187 } // namespace |
164 | 188 |
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842 | 866 |
843 DISALLOW_COPY_AND_ASSIGN(ContentMainRunnerImpl); | 867 DISALLOW_COPY_AND_ASSIGN(ContentMainRunnerImpl); |
844 }; | 868 }; |
845 | 869 |
846 // static | 870 // static |
847 ContentMainRunner* ContentMainRunner::Create() { | 871 ContentMainRunner* ContentMainRunner::Create() { |
848 return new ContentMainRunnerImpl(); | 872 return new ContentMainRunnerImpl(); |
849 } | 873 } |
850 | 874 |
851 } // namespace content | 875 } // namespace content |
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