DevTools: Add context menu option for objects to save to temp variable.

LayoutTests/inspector/console/console-save-to-temp-var-expected.txt

Index: LayoutTests/inspector/console/console-save-to-temp-var-expected.txt
diff --git a/LayoutTests/inspector/console/console-save-to-temp-var-expected.txt b/LayoutTests/inspector/console/console-save-to-temp-var-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5f03dcadf8e51f04d343b2a2193cf3be9bbab705
--- /dev/null
+++ b/LayoutTests/inspector/console/console-save-to-temp-var-expected.txt
@@ -0,0 +1,28 @@
+Tests saving objects to temporary variables.
+
+Number of expressions: 11
+Names [temp3..temp7] are reserved
+
+temp1
+42
+temp2
+"foo string"
+temp8
+NaN
+temp9
+Infinity
+temp10
+-Infinity
+temp11
+-0
+temp12
+[1, 2, NaN, -0, null, undefined]
+temp13
+Object {foo: "bar"}
+temp14
+[1, 2, 3, 4]
+temp15
+function func() {}
+temp16
+Error {stack: (...), message: "errr"}
+