Update V8 to r5675 as required by WebKit r70209

Change-Id: Ib10adb470d41ca8c109ead5fc893b880e18d489f
diff --git a/include/v8.h b/include/v8.h
index 0613d58..ef9a411 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -758,8 +758,9 @@
     kFunctionName = 1 << 3,
     kIsEval = 1 << 4,
     kIsConstructor = 1 << 5,
+    kScriptNameOrSourceURL = 1 << 6,
     kOverview = kLineNumber | kColumnOffset | kScriptName | kFunctionName,
-    kDetailed = kOverview | kIsEval | kIsConstructor
+    kDetailed = kOverview | kIsEval | kIsConstructor | kScriptNameOrSourceURL
   };
 
   /**
@@ -819,6 +820,13 @@
   Local<String> GetScriptName() const;
 
   /**
+   * Returns the name of the resource that contains the script for the
+   * function for this StackFrame or sourceURL value if the script name
+   * is undefined and its source ends with //@ sourceURL=... string.
+   */
+  Local<String> GetScriptNameOrSourceURL() const;
+
+  /**
    * Returns the name of the function associated with this stack frame.
    */
   Local<String> GetFunctionName() const;
@@ -1359,6 +1367,53 @@
 };
 
 
+/**
+ * An instance of the built-in RegExp constructor (ECMA-262, 15.10).
+ */
+class RegExp : public Value {
+ public:
+  /**
+   * Regular expression flag bits. They can be or'ed to enable a set
+   * of flags.
+   */
+  enum Flags {
+    kNone = 0,
+    kGlobal = 1,
+    kIgnoreCase = 2,
+    kMultiline = 4
+  };
+
+  /**
+   * Creates a regular expression from the given pattern string and
+   * the flags bit field. May throw a JavaScript exception as
+   * described in ECMA-262, 15.10.4.1.
+   *
+   * For example,
+   *   RegExp::New(v8::String::New("foo"),
+   *               static_cast<RegExp::Flags>(kGlobal | kMultiline))
+   * is equivalent to evaluating "/foo/gm".
+   */
+  V8EXPORT static Local<RegExp> New(Handle<String> pattern,
+                                    Flags flags);
+
+  /**
+   * Returns the value of the source property: a string representing
+   * the regular expression.
+   */
+  V8EXPORT Local<String> GetSource() const;
+
+  /**
+   * Returns the flags bit field.
+   */
+  V8EXPORT Flags GetFlags() const;
+
+  static inline RegExp* Cast(v8::Value* obj);
+
+ private:
+  V8EXPORT static void CheckCast(v8::Value* obj);
+};
+
+
 enum PropertyAttribute {
   None       = 0,
   ReadOnly   = 1 << 0,
@@ -3617,6 +3672,14 @@
 }
 
 
+RegExp* RegExp::Cast(v8::Value* value) {
+#ifdef V8_ENABLE_CHECKS
+  CheckCast(value);
+#endif
+  return static_cast<RegExp*>(value);
+}
+
+
 Object* Object::Cast(v8::Value* value) {
 #ifdef V8_ENABLE_CHECKS
   CheckCast(value);