expose LinkedBindingImpl's dependency via HasDependencies -- it was one of only two binding impls to not implement HasDependencies (UntargettedBindingImpl was the other).

git-svn-id: https://google-guice.googlecode.com/svn/trunk@1153 d779f126-a31b-0410-b53b-1d3aecad763e
diff --git a/src/com/google/inject/internal/LinkedBindingImpl.java b/src/com/google/inject/internal/LinkedBindingImpl.java
index a61f781..5f948ae 100644
--- a/src/com/google/inject/internal/LinkedBindingImpl.java
+++ b/src/com/google/inject/internal/LinkedBindingImpl.java
@@ -16,12 +16,16 @@
 
 package com.google.inject.internal;
 
+import java.util.Set;
+
 import com.google.inject.Binder;
 import com.google.inject.Key;
 import com.google.inject.spi.BindingTargetVisitor;
+import com.google.inject.spi.Dependency;
+import com.google.inject.spi.HasDependencies;
 import com.google.inject.spi.LinkedKeyBinding;
 
-public final class LinkedBindingImpl<T> extends BindingImpl<T> implements LinkedKeyBinding<T> {
+public final class LinkedBindingImpl<T> extends BindingImpl<T> implements LinkedKeyBinding<T>, HasDependencies {
 
   final Key<? extends T> targetKey;
 
@@ -44,6 +48,10 @@
   public Key<? extends T> getLinkedKey() {
     return targetKey;
   }
+  
+  public Set<Dependency<?>> getDependencies() {
+    return ImmutableSet.<Dependency<?>>of(Dependency.get(targetKey));
+  }
 
   public BindingImpl<T> withScoping(Scoping scoping) {
     return new LinkedBindingImpl<T>(getSource(), getKey(), scoping, targetKey);