Adding dev documentation for chrome.location

chrome/common/extensions/api/location.idl

Index: chrome/common/extensions/api/location.idl
diff --git a/chrome/common/extensions/api/location.idl b/chrome/common/extensions/api/location.idl
index 0900c8fc8024b19a1de599599a9ad67e9e958aca..c9896de9bc98c48a742d520cd7f3880c0ddfd18d 100644
--- a/chrome/common/extensions/api/location.idl
+++ b/chrome/common/extensions/api/location.idl
@@ -3,9 +3,8 @@
 // found in the LICENSE file.
 // TODO(vadimt): Consider reusing WebKit/Blink types, if this is possible.
 
-// The <code>chrome.location</code> API augments the events from the
-// <a href="http://dev.w3.org/geo/api/spec-source.html">HTML Geolocation API</a>
-// to be event page compatible.
+// Use the <code>chrome.location</code> API to retrieve geographical location of

[Andy, 2013/07/30 00:56:06]

Suggestion: "geographical" --> "the geographic"

[vadimt, 2013/07/30 01:58:41]

Done.

+// the hosting machine.

[Andy, 2013/07/30 00:56:06]

Suggestion: "hosting" --> "host"

You might also mention something about location watches here, since you jump
right into location watches in intros/location.html.

[vadimt, 2013/07/30 01:58:41]

Done. For watches, changed HTML.

 namespace location {
   // Coordinates part of the Location object.
   dictionary Coordinates {