[tracing] Mechanical rename of LevelOfDetail enum to enum class.

This CL changes the LevelOfDetail enum to enum class to make it easier
to read the code.

TBR=jochen@chromium.org
BUG=499731

Review URL: https://codereview.chromium.org/1273413002

Cr-Commit-Position: refs/heads/master@{#342404}

8 files changed, 8 insertions, 9 deletions

diff --git a/base/trace_event/java_heap_dump_provider_android_unittest.cc b/base/trace_event/java_heap_dump_provider_android_unittest.cc
index bf656ee..557ac45 100644
--- a/base/trace_event/java_heap_dump_provider_android_unittest.cc
+++ b/base/trace_event/java_heap_dump_provider_android_unittest.cc
@@ -13,7 +13,7 @@ namespace trace_event {
 TEST(JavaHeapDumpProviderTest, JavaHeapDump) {
   auto jhdp = JavaHeapDumpProvider::GetInstance();
   scoped_ptr<ProcessMemoryDump> pmd(new ProcessMemoryDump(nullptr));
-  MemoryDumpArgs dump_args = {MemoryDumpArgs::LEVEL_OF_DETAIL_HIGH};
+  MemoryDumpArgs dump_args = {MemoryDumpArgs::LevelOfDetail::HIGH};
 
   jhdp->OnMemoryDump(dump_args, pmd.get());
 }
diff --git a/base/trace_event/memory_allocator_dump_unittest.cc b/base/trace_event/memory_allocator_dump_unittest.cc
index 0c14173..8a41513 100644
--- a/base/trace_event/memory_allocator_dump_unittest.cc
+++ b/base/trace_event/memory_allocator_dump_unittest.cc
@@ -126,7 +126,7 @@ TEST(MemoryAllocatorDumpTest, GuidGeneration) {
 TEST(MemoryAllocatorDumpTest, DumpIntoProcessMemoryDump) {
   FakeMemoryAllocatorDumpProvider fmadp;
   ProcessMemoryDump pmd(make_scoped_refptr(new MemoryDumpSessionState()));
-  MemoryDumpArgs dump_args = {MemoryDumpArgs::LEVEL_OF_DETAIL_HIGH};
+  MemoryDumpArgs dump_args = {MemoryDumpArgs::LevelOfDetail::HIGH};
 
   fmadp.OnMemoryDump(dump_args, &pmd);
 
diff --git a/base/trace_event/memory_dump_manager.cc b/base/trace_event/memory_dump_manager.cc
index f9ba3ae..f5e2a4a 100644
--- a/base/trace_event/memory_dump_manager.cc
+++ b/base/trace_event/memory_dump_manager.cc
@@ -316,7 +316,7 @@ void MemoryDumpManager::ContinueAsyncProcessDump(
   // MemoryDumpType to get request for light / heavy dump, and remove this
   // constant.
   if (!skip_dump) {
-    MemoryDumpArgs dump_args = {MemoryDumpArgs::LEVEL_OF_DETAIL_HIGH};
+    MemoryDumpArgs dump_args = {MemoryDumpArgs::LevelOfDetail::HIGH};
     dump_successful =
         mdp->OnMemoryDump(dump_args, &pmd_async_state->process_memory_dump);
   }
diff --git a/base/trace_event/memory_dump_provider.h b/base/trace_event/memory_dump_provider.h
index 9fefdec..02c2c73 100644
--- a/base/trace_event/memory_dump_provider.h
+++ b/base/trace_event/memory_dump_provider.h
@@ -17,7 +17,7 @@ class ProcessMemoryDump;
 // should generate on dump request. This is to control the size of dumps
 // generated.
 struct MemoryDumpArgs {
-  enum LevelOfDetail { LEVEL_OF_DETAIL_LOW, LEVEL_OF_DETAIL_HIGH };
+  enum class LevelOfDetail { LOW, HIGH };
 
   LevelOfDetail level_of_detail;
 };
diff --git a/base/trace_event/process_memory_maps_dump_provider.cc b/base/trace_event/process_memory_maps_dump_provider.cc
index 750ca11..2dcdd37 100644
--- a/base/trace_event/process_memory_maps_dump_provider.cc
+++ b/base/trace_event/process_memory_maps_dump_provider.cc
@@ -168,7 +168,7 @@ ProcessMemoryMapsDumpProvider::~ProcessMemoryMapsDumpProvider() {
 bool ProcessMemoryMapsDumpProvider::OnMemoryDump(const MemoryDumpArgs& args,
                                                  ProcessMemoryDump* pmd) {
   // Snapshot of memory maps is not taken for light dump requests.
-  if (args.level_of_detail == MemoryDumpArgs::LEVEL_OF_DETAIL_LOW)
+  if (args.level_of_detail == MemoryDumpArgs::LevelOfDetail::LOW)
     return true;
 
   uint32 res = 0;
diff --git a/base/trace_event/process_memory_maps_dump_provider_unittest.cc b/base/trace_event/process_memory_maps_dump_provider_unittest.cc
index fcb9eaf..f951a09 100644
--- a/base/trace_event/process_memory_maps_dump_provider_unittest.cc
+++ b/base/trace_event/process_memory_maps_dump_provider_unittest.cc
@@ -110,7 +110,7 @@ TEST(ProcessMemoryMapsDumpProviderTest, ParseProcSmaps) {
   const uint32 kProtR = ProcessMemoryMaps::VMRegion::kProtectionFlagsRead;
   const uint32 kProtW = ProcessMemoryMaps::VMRegion::kProtectionFlagsWrite;
   const uint32 kProtX = ProcessMemoryMaps::VMRegion::kProtectionFlagsExec;
-  const MemoryDumpArgs dump_args = {MemoryDumpArgs::LEVEL_OF_DETAIL_HIGH};
+  const MemoryDumpArgs dump_args = {MemoryDumpArgs::LevelOfDetail::HIGH};
 
   auto pmmdp = ProcessMemoryMapsDumpProvider::GetInstance();
 
diff --git a/base/trace_event/process_memory_totals_dump_provider_unittest.cc b/base/trace_event/process_memory_totals_dump_provider_unittest.cc
index f32a322c..015cb2d 100644
--- a/base/trace_event/process_memory_totals_dump_provider_unittest.cc
+++ b/base/trace_event/process_memory_totals_dump_provider_unittest.cc
@@ -12,8 +12,7 @@ namespace base {
 namespace trace_event {
 
 TEST(ProcessMemoryTotalsDumpProviderTest, DumpRSS) {
-  const MemoryDumpArgs high_detail_args = {
-      MemoryDumpArgs::LEVEL_OF_DETAIL_HIGH};
+  const MemoryDumpArgs high_detail_args = {MemoryDumpArgs::LevelOfDetail::HIGH};
   auto pmtdp = ProcessMemoryTotalsDumpProvider::GetInstance();
   scoped_ptr<ProcessMemoryDump> pmd_before(new ProcessMemoryDump(nullptr));
   scoped_ptr<ProcessMemoryDump> pmd_after(new ProcessMemoryDump(nullptr));
diff --git a/base/trace_event/winheap_dump_provider_win_unittest.cc b/base/trace_event/winheap_dump_provider_win_unittest.cc
index 7629915..93ae299 100644
--- a/base/trace_event/winheap_dump_provider_win_unittest.cc
+++ b/base/trace_event/winheap_dump_provider_win_unittest.cc
@@ -15,7 +15,7 @@ namespace trace_event {
 
 TEST(WinHeapDumpProviderTest, OnMemoryDump) {
   ProcessMemoryDump pmd(make_scoped_refptr(new MemoryDumpSessionState()));
-  MemoryDumpArgs dump_args = {MemoryDumpArgs::LEVEL_OF_DETAIL_HIGH};
+  MemoryDumpArgs dump_args = {MemoryDumpArgs::LevelOfDetail::HIGH};
 
   WinHeapDumpProvider* winheap_dump_provider =
       WinHeapDumpProvider::GetInstance();