add newlines to the end of some files, and add the defaultProfileDir interface

and for ben.  r=alecf

profile/public/nsIProfile.idl

@@ -94,6 +94,8 @@ interface nsIProfile : nsISupports {
     boolean isCurrentProfileAvailable();
 
     attribute boolean automigrate;
+
+    readonly attribute nsIFileSpec defaultProfileDir;
 };
 
 #endif /* nsIProfile_h__ */

profile/resources/content/createProfileWizard.js

@@ -81,6 +81,7 @@ function onCancel()
 function onFinish()
 {
   dump("*** IN ONFINISH\n");
+
   // check if we're at final stage 
   if( !wizardManager.wizardMap[wizardManager.currentPageTag].finish )
     return;

profile/resources/content/newProfile1_2.js

@@ -170,4 +170,4 @@ function updateProfileName( aTextFieldElement )
     var stringValue = rootFolder + aTextFieldElement.value;
     folderDisplayElement.setAttribute( "value", stringValue );
   }
-}
+}

profile/resources/content/profileManager.js

@@ -291,4 +291,4 @@ function HandleClickEvent( aEvent )
   }
   else 
     return showSelection(aEvent.target.parentNode.parentNode);
-}
+}

profile/src/nsProfile.cpp

@@ -649,6 +649,21 @@ NS_IMETHODIMP nsProfile::GetProfileDir(const char *profileName, nsFileSpec* prof
     return rv;
 }
 
+NS_IMETHODIMP nsProfile::GetDefaultProfileDir(nsIFileSpec **aDefaultProfileDir)
+{
+    nsresult rv;
+
+    NS_WITH_SERVICE(nsIFileLocator, locator, kFileLocatorCID, &rv);
+    if (NS_FAILED(rv) || !locator) return NS_ERROR_FAILURE;
+
+    rv = locator->GetFileLocation(nsSpecialFileSpec::App_DefaultUserProfileRoot50, aDefaultProfileDir);
+    if (NS_FAILED(rv) || !aDefaultProfileDir || !*aDefaultProfileDir) return NS_ERROR_FAILURE;
+
+    rv = (*aDefaultProfileDir)->AppendRelativeUnixPath(DEFAULT_PROFILE_NAME);
+    if (NS_FAILED(rv)) return rv;
+
+    return NS_OK;
+}
 
 // Gets the number of profiles
 // Location: Common/Profiles