Remove AST dumps, useless for Editor

compiler/java/com/google/dart/compiler/DartCompiler.java

Index: compiler/java/com/google/dart/compiler/DartCompiler.java
diff --git a/compiler/java/com/google/dart/compiler/DartCompiler.java b/compiler/java/com/google/dart/compiler/DartCompiler.java
index facb0d1151c69ef3919f3fc9f746cc09667219b6..ec1fb97e3d7b3243f1d260a841f072d3e1e3e8c3 100644
--- a/compiler/java/com/google/dart/compiler/DartCompiler.java
+++ b/compiler/java/com/google/dart/compiler/DartCompiler.java
@@ -19,8 +19,6 @@ import com.google.dart.compiler.ast.DartUnit;
 import com.google.dart.compiler.ast.LibraryNode;
 import com.google.dart.compiler.ast.LibraryUnit;
 import com.google.dart.compiler.ast.Modifiers;
-import com.google.dart.compiler.ast.viz.ASTWriterFactory;
-import com.google.dart.compiler.ast.viz.BaseASTWriter;
 import com.google.dart.compiler.common.SourceInfo;
 import com.google.dart.compiler.metrics.CompilerMetrics;
 import com.google.dart.compiler.metrics.DartEventType;
@@ -725,9 +723,6 @@ public class DartCompiler {
         // Set entry point
         setEntryPoint();
 
-        // Dump the compiler parse tree if dump format is set in arguments
-        BaseASTWriter astWriter = ASTWriterFactory.create(config);
-
         // The two following for loops can be parallelized.
         for (LibraryUnit lib : getLibrariesToProcess()) {
           boolean persist = false;
@@ -735,8 +730,6 @@ public class DartCompiler {
           // Compile all the units in this library.
           for (DartUnit unit : lib.getUnits()) {
 
-            astWriter.process(unit);
-
             // Don't compile diet units.
             if (unit.isDiet()) {
               continue;
@@ -818,8 +811,6 @@ public class DartCompiler {
         }
 
         if (!config.resolveDespiteParseErrors() && context.getErrorCount() > 0) {
-          // Dump the compiler parse tree if dump format is set in arguments
-          ASTWriterFactory.create(config).process(unit);
           // We don't return this unit, so no more processing expected for it.
           context.unitCompiled(unit);
           return null;