Issue #2402 - CSP Violation events should have the correct sample for inline contexts. https://bugzilla.mozilla.org/show_bug.cgi?id=1473587 Add preference to increase max length of CSP report source sample. https://bugzilla.mozilla.org/show_bug.cgi?id=1415352 Return valid columnNumber value in CSP violation events. https://bugzilla.mozilla.org/show_bug.cgi?id=1418246

dom/script/nsIScriptElement.h

@@ -30,6 +30,7 @@ public:
 
   explicit nsIScriptElement(mozilla::dom::FromParser aFromParser)
     : mLineNumber(1),
+      mColumnNumber(1),
       mAlreadyStarted(false),
       mMalformed(false),
       mDoneAddingChildren(aFromParser == mozilla::dom::NOT_FROM_PARSER ||
@@ -138,6 +139,16 @@ public:
     return mLineNumber;
   }
 
+  void SetScriptColumnNumber(uint32_t aColumnNumber)
+  {
+    mColumnNumber = aColumnNumber;
+  }
+
+  uint32_t GetScriptColumnNumber()
+  {
+    return mColumnNumber;
+  }
+
   void SetIsMalformed()
   {
     mMalformed = true;
@@ -281,6 +292,11 @@ protected:
    */
   uint32_t mLineNumber;
 
+  /**
+   * The start column number of the script.
+   */
+  uint32_t mColumnNumber;
+
   /**
    * The "already started" flag per HTML5.
    */