Bug 605499: Add-ons manager doesn't display EULA for available add-ons that have one. r=Unfocused, a=blocks-beta7

--HG--
extra : transplant_source : %22%A3%C0%FC%B8%F1z%21%81%B67%E2%7F%C9%D0%FAXD%11z

toolkit/locales/en-US/chrome/mozapps/extensions/extensions.dtd

@@ -186,3 +186,8 @@
 <!ENTITY addon.errorLoadingReleaseNotes.label "Sorry, but there was an error loading the release notes.">
 
 <!ENTITY addon.createdBy.label                "By ">
+
+<!ENTITY eula.title                           "End-User License Agreement">
+<!ENTITY eula.width                           "560px">
+<!ENTITY eula.height                          "400px">
+<!ENTITY eula.accept                          "Accept and Install…">

toolkit/locales/en-US/chrome/mozapps/extensions/extensions.properties

@@ -101,3 +101,5 @@ addon.purchase.tooltip=Visit the add-ons gallery to purchase this add-on
 # view, %S is the price of the add-on including currency symbol
 cmd.purchaseAddon.label=Purchase for %S…
 cmd.purchaseAddon.accesskey=u
+
+eulaHeader=%S requires that you accept the following End User License Agreement before installation can proceed:

toolkit/mozapps/extensions/content/extensions.xml

@@ -601,6 +601,18 @@
           if (this.mControl.getAttribute("remote") != "true")
             return;
 
+          if (this.mControl.mAddon.eula) {
+            var eula = {
+              name: this.mControl.mAddon.name,
+              text: this.mControl.mAddon.eula,
+              accepted: false
+            };
+            window.openDialog("chrome://mozapps/content/extensions/eula.xul", "_blank",
+                              "chrome,dialog,modal,centerscreen,resizable=no", eula);
+            if (!eula.accepted)
+              return;
+          }
+
           delete this.mControl.mAddon;
           this.mControl.mInstall = this.mInstall;
           this.mControl.setAttribute("status", "installing");