Add intermediate VmResourceRef for inaccurate source lookup

plugins/org.chromium.debug.core/src/org/chromium/debug/core/ChromiumSourceDirector.java

Index: plugins/org.chromium.debug.core/src/org/chromium/debug/core/ChromiumSourceDirector.java
diff --git a/plugins/org.chromium.debug.core/src/org/chromium/debug/core/ChromiumSourceDirector.java b/plugins/org.chromium.debug.core/src/org/chromium/debug/core/ChromiumSourceDirector.java
index e9e476848620632d569fde1999b735a7b7e830b1..e97b3f22b1d96c55dd970a79dd0d020b760a15b8 100644
--- a/plugins/org.chromium.debug.core/src/org/chromium/debug/core/ChromiumSourceDirector.java
+++ b/plugins/org.chromium.debug.core/src/org/chromium/debug/core/ChromiumSourceDirector.java
@@ -10,6 +10,7 @@ import org.chromium.debug.core.model.ResourceManager;
 import org.chromium.debug.core.model.StackFrame;
 import org.chromium.debug.core.model.VmResource;
 import org.chromium.debug.core.model.VmResourceId;
+import org.chromium.debug.core.model.VmResourceRef;
 import org.chromium.sdk.Breakpoint;
 import org.chromium.sdk.BreakpointTypeExtension;
 import org.chromium.sdk.Script;
@@ -34,6 +35,14 @@ public class ChromiumSourceDirector extends AbstractSourceLookupDirector {
     addParticipants(new ISourceLookupParticipant[] { participant } );
   }
 
+  public VmResourceRef findVmResourceRef(IFile file) throws CoreException {
+    VmResourceId vmResourceId = reverseSourceLookup.findVmResource(file);
+    if (vmResourceId == null) {
+      return null;
+    }
+    return VmResourceRef.forVmResourceId(vmResourceId);
+  }
+
   private static class AccurateLookupParticipant extends AbstractSourceLookupParticipant {
     public String getSourceName(Object object) throws CoreException {
       return getSourceNameImpl(object);
@@ -108,13 +117,17 @@ public class ChromiumSourceDirector extends AbstractSourceLookupDirector {
   }
 
   private static final Breakpoint.Target.Visitor<VmResourceId> BREAKPOINT_RESOURCE_VISITOR =
-      new Breakpoint.Target.Visitor<VmResourceId>() {
+      new BreakpointTypeExtension.ScriptRegExpSupport.Visitor<VmResourceId>() {
         @Override public VmResourceId visitScriptName(String scriptName) {
           return new VmResourceId(scriptName, null);
         }
         @Override public VmResourceId visitScriptId(long scriptId) {
           return new VmResourceId(null, scriptId);
         }
+        @Override public VmResourceId visitRegExp(String regExp) {
+          // RegExp cannot be converted into VmResourceId without additional context.
+          return null;
+        }
         @Override public VmResourceId visitUnknown(Breakpoint.Target target) {
           return null;
         }
@@ -126,10 +139,6 @@ public class ChromiumSourceDirector extends AbstractSourceLookupDirector {
     this.reverseSourceLookup = new ReverseSourceLookup(this);
   }
 
-  public VmResourceId findVmResource(IFile file) throws CoreException {
-    return reverseSourceLookup.findVmResource(file);
-  }
-
   public ReverseSourceLookup getReverseSourceLookup() {
     return reverseSourceLookup;
   }