Expose camera settings to the extensions.

chrome/test/data/extensions/api_test/content_settings/standard/test.js

Index: chrome/test/data/extensions/api_test/content_settings/standard/test.js
diff --git a/chrome/test/data/extensions/api_test/content_settings/standard/test.js b/chrome/test/data/extensions/api_test/content_settings/standard/test.js
index 228507c9f3e4ef7c930de0d0b67a6e895b2c47d2..c2237d3e1c414c6a5301505d981543e0cefed8ad 100644
--- a/chrome/test/data/extensions/api_test/content_settings/standard/test.js
+++ b/chrome/test/data/extensions/api_test/content_settings/standard/test.js
@@ -16,6 +16,7 @@ var default_content_settings = {
   "notifications": "ask",
   "mouselock": "ask",
   "microphone": "ask",
+  "camera": "ask",
 };
 
 var settings = {
@@ -27,7 +28,8 @@ var settings = {
   "location": "block",
   "notifications": "block",
   "mouselock": "block",
-  "microphone": "block"
+  "microphone": "block",
+  "camera": "block"
 };
 
 Object.prototype.forEach = function(f) {