Code cleanup and typos in trace_event [NFC]

base/trace_event/heap_profiler_allocation_context_tracker.cc

Index: base/trace_event/heap_profiler_allocation_context_tracker.cc
diff --git a/base/trace_event/heap_profiler_allocation_context_tracker.cc b/base/trace_event/heap_profiler_allocation_context_tracker.cc
index 5d884e53c400e8d2cb4c4f27d7516674845711c8..92cfddb87e68becbffa0108f2931349786f90f59 100644
--- a/base/trace_event/heap_profiler_allocation_context_tracker.cc
+++ b/base/trace_event/heap_profiler_allocation_context_tracker.cc
@@ -207,12 +207,12 @@ bool AllocationContextTracker::GetContextSnapshot(AllocationContext* ctx) {
 // than our backtrace capacity.
 #if !defined(OS_NACL)  // We don't build base/debug/stack_trace.cc for NaCl.
 #if BUILDFLAG(CAN_UNWIND_WITH_FRAME_POINTERS)
-      const void* frames[Backtrace::kMaxFrameCount + 1];
-      static_assert(arraysize(frames) >= Backtrace::kMaxFrameCount,
-                    "not requesting enough frames to fill Backtrace");
-      size_t frame_count = debug::TraceStackFramePointers(
-          frames, arraysize(frames),
-          1 /* exclude this function from the trace */);
+        const void* frames[Backtrace::kMaxFrameCount + 1];
+        static_assert(arraysize(frames) >= Backtrace::kMaxFrameCount,
+                      "not requesting enough frames to fill Backtrace");
+        size_t frame_count = debug::TraceStackFramePointers(
+            frames, arraysize(frames),
+            1 /* exclude this function from the trace */);
 #else   // BUILDFLAG(CAN_UNWIND_WITH_FRAME_POINTERS)
         // Fall-back to capturing the stack with base::debug::StackTrace,
         // which is likely slower, but more reliable.
@@ -221,17 +221,17 @@ bool AllocationContextTracker::GetContextSnapshot(AllocationContext* ctx) {
         const void* const* frames = stack_trace.Addresses(&frame_count);
 #endif  // BUILDFLAG(CAN_UNWIND_WITH_FRAME_POINTERS)
 
-      // If there are too many frames, keep the ones furthest from main().
-      size_t backtrace_capacity = backtrace_end - backtrace;
-      int32_t starting_frame_index = frame_count;
-      if (frame_count > backtrace_capacity) {
-        starting_frame_index = backtrace_capacity - 1;
-        *backtrace++ = StackFrame::FromTraceEventName("<truncated>");
-      }
-      for (int32_t i = starting_frame_index - 1; i >= 0; --i) {
-        const void* frame = frames[i];
-        *backtrace++ = StackFrame::FromProgramCounter(frame);
-      }
+        // If there are too many frames, keep the ones furthest from main().
+        size_t backtrace_capacity = backtrace_end - backtrace;
+        int32_t starting_frame_index = frame_count;
+        if (frame_count > backtrace_capacity) {
+          starting_frame_index = backtrace_capacity - 1;
+          *backtrace++ = StackFrame::FromTraceEventName("<truncated>");
+        }
+        for (int32_t i = starting_frame_index - 1; i >= 0; --i) {
+          const void* frame = frames[i];
+          *backtrace++ = StackFrame::FromProgramCounter(frame);
+        }
 #endif  // !defined(OS_NACL)
         break;
       }