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-rw-r--r--chrome/app/main_dll_loader_win.cc24
1 files changed, 10 insertions, 14 deletions
diff --git a/chrome/app/main_dll_loader_win.cc b/chrome/app/main_dll_loader_win.cc
index a70a678..f28d301 100644
--- a/chrome/app/main_dll_loader_win.cc
+++ b/chrome/app/main_dll_loader_win.cc
@@ -64,35 +64,31 @@ HMODULE LoadModuleWithDirectory(const base::FilePath& module) {
::SetCurrentDirectoryW(module.DirName().value().c_str());
// Get pre-read options from the PreRead field trial.
- bool trial_no_pre_read = false;
- bool trial_high_priority = false;
- bool trial_only_if_cold = false;
- bool trial_prefetch_virtual_memory = false;
- startup_metric_utils::GetPreReadOptions(
- BrowserDistribution::GetDistribution()->GetRegistryPath(),
- &trial_no_pre_read, &trial_high_priority, &trial_only_if_cold,
- &trial_prefetch_virtual_memory);
+ startup_metric_utils::InitializePreReadOptions(
+ BrowserDistribution::GetDistribution()->GetRegistryPath());
+ const startup_metric_utils::PreReadOptions pre_read_options =
+ startup_metric_utils::GetPreReadOptions();
// Pre-read the binary to warm the memory caches (avoids a lot of random IO).
- if (!trial_no_pre_read) {
+ if (!pre_read_options.no_pre_read) {
base::ThreadPriority previous_priority = base::ThreadPriority::NORMAL;
- if (trial_high_priority) {
+ if (pre_read_options.high_priority) {
previous_priority = base::PlatformThread::GetCurrentThreadPriority();
base::PlatformThread::SetCurrentThreadPriority(
base::ThreadPriority::DISPLAY);
}
- if (trial_only_if_cold) {
+ if (pre_read_options.only_if_cold) {
base::MemoryMappedFile module_memory_map;
const bool map_initialize_success = module_memory_map.Initialize(module);
DCHECK(map_initialize_success);
if (!IsMemoryMappedFileWarm(module_memory_map)) {
- if (trial_prefetch_virtual_memory)
+ if (pre_read_options.prefetch_virtual_memory)
PreReadMemoryMappedFile(module_memory_map, module);
else
PreReadFile(module);
}
- } else if (trial_prefetch_virtual_memory) {
+ } else if (pre_read_options.prefetch_virtual_memory) {
base::MemoryMappedFile module_memory_map;
const bool map_initialize_success = module_memory_map.Initialize(module);
DCHECK(map_initialize_success);
@@ -101,7 +97,7 @@ HMODULE LoadModuleWithDirectory(const base::FilePath& module) {
PreReadFile(module);
}
- if (trial_high_priority)
+ if (pre_read_options.high_priority)
base::PlatformThread::SetCurrentThreadPriority(previous_priority);
}