Merge to trunk : fix for breakpoints and package path

dart/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/analysis/model/Project.java

 package com.google.dart.tools.core.analysis.model;
 
 import com.google.dart.engine.context.AnalysisContext;
 import com.google.dart.engine.source.Source;
 
 import org.eclipse.core.resources.IContainer;
 import org.eclipse.core.resources.IProject;
 
 /**
  * Instances of {@code Project} represents an Eclipse project that has a Dart nature.
- * 
+ *
  * @coverage dart.tools.core.model
  */
 public interface Project extends ContextManager {
 
   /**
    * Discard all analysis contexts in the specified container
-   * 
+   *
    * @param container the container (not {@code null})
    */
   void discardContextsIn(IContainer container);
 
   /**
    * Answer the default analysis context. If the receiver contains a {@link PubFolder} which
    * contains all of the resources contained in the receiver, then the analysis context for that
    * {@link PubFolder} will be the same the receiver's default analysis context.
-   * 
+   *
    * @return the analysis context (not {@code null})
    */
   AnalysisContext getDefaultContext();
 
   /**
    * Answer with all the library sources that are in the project. These include all the sdk and
    * external libraries referenced by code in the project
-   * 
+   *
    * @return the {@link Source}[] for all the libraries that are in the project.
    */
   Source[] getLibrarySources();
 
   /**
    * Answer the {@link PubFolder}s contained in the receiver.
-   * 
+   *
    * @return an array of zero or more folders (not {@code null}, contains no {@code null}s)
    */
   PubFolder[] getPubFolders();
 
   /**
    * Answer the Eclipse project associated with this Dart project
-   * 
+   *
    * @return the Eclipse project (not {@code null})
    */
   @Override
   IProject getResource();
 
   /**
    * Test if the given context is associated with this project.
-   * 
+   *
    * @param context the context to test
    * @return {@code true} if the given context is associated with this project
    */
   boolean isContextInProject(AnalysisContext context);
 
   /**
    * Called when a pubspec file is added
-   * 
+   *
    * @param container the container (not {@code null}) to which a pubspec file was added
    */
   void pubspecAdded(IContainer container);
 
   /**
    * Called when a pubspec file is removed
-   * 
+   *
    * @param container the container (not {@code null}) from which a pubspec file was removed
    */
   void pubspecRemoved(IContainer container);
 
+  /**
+   * Resolve the given file path to a package uri path, if any
+   *
+   * @param path the file path for the resource wrt to package structure
+   * @return the package name or {@code null} if resource is not in a package
+   */
+  String resolvePathToPackage(String path);
+
 }