[Unwinder] Rename enum names in `UnwindResult`

Enum names should use kMixedCase style.
https://google.github.io/styleguide/cppguide.html#Enumerator_Names

Change-Id: I5b8c5ef1e51fc37289fa8c36ffd56547484ab094
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3252933
Reviewed-by: Mike Wittman <[email protected]>
Reviewed-by: Sami Kyöstilä <[email protected]>
Commit-Queue: Charlie Hu <[email protected]>
Cr-Commit-Position: refs/heads/main@{#937405}
diff --git a/base/profiler/chrome_unwinder_android_v2.cc b/base/profiler/chrome_unwinder_android_v2.cc
index 015653d..5eb7bf8 100644
--- a/base/profiler/chrome_unwinder_android_v2.cc
+++ b/base/profiler/chrome_unwinder_android_v2.cc
@@ -98,7 +98,7 @@
             instruction_byte_offset_from_text_section_start);
 
     if (!function_offset_table_index) {
-      return UnwindResult::ABORTED;
+      return UnwindResult::kAborted;
     }
 
     const uint32_t current_unwind_instruction_index =
@@ -120,13 +120,13 @@
       instruction_result = ExecuteUnwindInstruction(
           current_unwind_instruction, pc_was_updated, thread_context);
       if (RegisterContextStackPointer(thread_context) >= stack_top) {
-        return UnwindResult::ABORTED;
+        return UnwindResult::kAborted;
       }
     } while (instruction_result ==
              UnwindInstructionResult::kInstructionPending);
 
     if (instruction_result == UnwindInstructionResult::kAborted) {
-      return UnwindResult::ABORTED;
+      return UnwindResult::kAborted;
     }
 
     DCHECK_EQ(instruction_result, UnwindInstructionResult::kCompleted);
@@ -134,7 +134,7 @@
                         module_cache()->GetModuleForAddress(
                             RegisterContextInstructionPointer(thread_context)));
   } while (CanUnwindFrom(stack->back()));
-  return UnwindResult::UNRECOGNIZED_FRAME;
+  return UnwindResult::kUnrecognizedFrame;
 }
 
 UnwindInstructionResult ExecuteUnwindInstruction(