'Split && condition' quick assist.

compiler/java/com/google/dart/compiler/ast/DartIfStatement.java

Index: compiler/java/com/google/dart/compiler/ast/DartIfStatement.java
diff --git a/compiler/java/com/google/dart/compiler/ast/DartIfStatement.java b/compiler/java/com/google/dart/compiler/ast/DartIfStatement.java
index ca835611a046c6010a674049dcfd0cc748b3ffba..10685f8fb5fa59a4b6dfbd9d1d51b2db9459a321 100644
--- a/compiler/java/com/google/dart/compiler/ast/DartIfStatement.java
+++ b/compiler/java/com/google/dart/compiler/ast/DartIfStatement.java
@@ -12,10 +12,15 @@ public class DartIfStatement extends DartStatement {
   private DartExpression condition;
   private DartStatement thenStmt;
   private DartStatement elseStmt;
+  private final int closeParenOffset;
+  private final int elseTokenOffset;
 
-  public DartIfStatement(DartExpression condition, DartStatement thenStmt, DartStatement elseStmt) {
+  public DartIfStatement(DartExpression condition, int closeParentOffset, DartStatement thenStmt,
+      int elseTokenOffset, DartStatement elseStmt) {
     this.condition = becomeParentOf(condition);
+    closeParenOffset = closeParentOffset;
     this.thenStmt = becomeParentOf(thenStmt);
+    this.elseTokenOffset = elseTokenOffset;
     this.elseStmt = becomeParentOf(elseStmt);
   }
 
@@ -23,14 +28,22 @@ public class DartIfStatement extends DartStatement {
     return condition;
   }
 
-  public DartStatement getElseStatement() {
-    return elseStmt;
+  public int getCloseParenOffset() {
+    return closeParenOffset;
   }
 
   public DartStatement getThenStatement() {
     return thenStmt;
   }
 
+  public int getElseTokenOffset() {
+    return elseTokenOffset;
+  }
+
+  public DartStatement getElseStatement() {
+    return elseStmt;
+  }
+
   @Override
   public void visitChildren(ASTVisitor<?> visitor) {
     safelyVisitChild(condition, visitor);