Move tools to tool folder.

pkg/front_end/lib/src/base/processed_options.dart

Index: pkg/front_end/lib/src/base/processed_options.dart
diff --git a/pkg/front_end/lib/src/base/processed_options.dart b/pkg/front_end/lib/src/base/processed_options.dart
index 517129183f5e73bd0538be526bd26c85a6d85805..209af26433bc071c6d35b601c6aa024c2536c004 100644
--- a/pkg/front_end/lib/src/base/processed_options.dart
+++ b/pkg/front_end/lib/src/base/processed_options.dart
@@ -119,11 +119,11 @@ class ProcessedOptions {
 
   bool get embedSourceText => _raw.embedSourceText;
 
-  bool get throwOnErrors => _raw.throwOnErrors;
+  bool get throwOnErrorsForDebugging => _raw.throwOnErrorsForDebugging;
 
-  bool get throwOnWarnings => _raw.throwOnWarnings;
+  bool get throwOnWarningsForDebugging => _raw.throwOnWarningsForDebugging;
 
-  bool get throwOnNits => _raw.throwOnNits;
+  bool get throwOnNitsForDebugging => _raw.throwOnNitsForDebugging;
 
   /// Like [CompilerOptions.chaseDependencies] but with the appropriate default
   /// value filled in.
@@ -548,8 +548,8 @@ class ProcessedOptions {
     writeList('Multiroots', _raw.multiRoots);
 
     sb.writeln('Modular: ${_modularApi}');
-    sb.writeln('Hermetic: ${!chaseDependencies}'
-        ' (provided: ${!_raw.chaseDependencies})');
+    sb.writeln('Hermetic: ${!chaseDependencies} (provided: '
+        '${_raw.chaseDependencies == null ? null : !_raw.chaseDependencies})');

[Siggi Cherem (dart-lang), 2017/08/24 18:34:36]

thanks - I also have this in a local branch and forgot to send this out. 

     sb.writeln('Packages uri: ${_raw.packagesFileUri}');
     sb.writeln('Packages: ${_packages}');
 
@@ -562,9 +562,9 @@ class ProcessedOptions {
     sb.writeln('Strong: ${strongMode}');
     sb.writeln('Target: ${_target?.name} (provided: ${_raw.target?.name})');
 
-    sb.writeln('throwOnErrorsAreFatal: ${throwOnErrors}');
-    sb.writeln('throwOnWarningsAreFatal: ${throwOnWarnings}');
-    sb.writeln('throwOnNits: ${throwOnNits}');
+    sb.writeln('throwOnErrorsForDebugging: ${throwOnErrorsForDebugging}');
+    sb.writeln('throwOnWarningsForDebugging: ${throwOnWarningsForDebugging}');
+    sb.writeln('throwOnNitsForDebugging: ${throwOnNitsForDebugging}');
     sb.writeln('exit on problem: ${setExitCodeOnProblem}');
     sb.writeln('Embed sources: ${embedSourceText}');
     sb.writeln('debugDump: ${debugDump}');