A bit of clarification for the themes doc.

This doc could use a lot more work, though.

TBR=glen
Review URL: http://codereview.chromium.org/200079

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@25931 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 18 insertions, 6 deletions

diff --git a/chrome/common/extensions/docs/static/themes.html b/chrome/common/extensions/docs/static/themes.html
index 37cc9dd..1958c02 100755
--- a/chrome/common/extensions/docs/static/themes.html
+++ b/chrome/common/extensions/docs/static/themes.html
@@ -7,6 +7,11 @@ Themes are <a href="packaging.html">packaged</a> like regular extensions,
 but they don't contain JavaScript or HTML code.
 </p>
 
+<p>
+You can find and try a bunch of themes at the
+<a href="https://tools.google.com/chrome/intl/en/themes/">themes gallery</a>.
+</p>
+
 <h2> Manifest </h2>
 <p>
 Here is an example <code>manifest.json</code> file for a theme:
@@ -46,7 +51,8 @@ Here is an example <code>manifest.json</code> file for a theme:
 
 <p>
 Colors are in RGB format.
-To find the full range of colors that you can specify, see
+To find the strings you can use within the "colors" field,
+look for kColor* strings in
 <a href="http://src.chromium.org/viewvc/chrome/trunk/src/chrome/browser/browser_theme_provider.cc"><code>browser_theme_provider.cc</code></a>.
 </p>
 
@@ -54,19 +60,24 @@ To find the full range of colors that you can specify, see
 
 <p>
 Image resources use paths relative to the root of the extension.
-You can override any IDR_THEME_* image specified in
-<a href="http://src.chromium.org/viewvc/chrome/trunk/src/chrome/app/theme/theme_resources.grd"><code>theme_resources.grd</code></a>.
+You can override any of the images that are specified by
+<code>kThemeableImages</code> in
+<a href="http://src.chromium.org/viewvc/chrome/trunk/src/chrome/browser/browser_theme_provider.cc"><code>browser_theme_provider.cc</code></a>.
+Just remove the "IDR_"
+and convert the remaining characters to lowercase.
+For example, <code>IDR_THEME_NTP_BACKGROUND</code>
+(which <code>kThemeableImages</code> uses
+to specify the background of the new tab pane)
+corresponds to "theme_ntp_background".
 </p>
 
 <h3 id="properties">properties</h3>
 
-
 <p>
 This field lets you specify
 properties such as background alignment,
 background repeat,
 and an alternate logo.
-<span class="comment"> [PENDING: check] </span>
 To see the properties and the values they can have, see
 <a href="http://src.chromium.org/viewvc/chrome/trunk/src/chrome/browser/browser_theme_provider.cc"><code>browser_theme_provider.cc</code></a>.
 <span class="comment"> [PENDING: We should flesh this out.] </span>
@@ -80,7 +91,8 @@ such as buttons, the frame, and the background tab.
 Google Chrome supports tints, not images,
 because images don't work across platforms
 and are brittle in the case of adding new buttons.
-To find the full range of tints that you can specify, see
+To find the strings you can use within the "tints" field,
+look for kTint* strings in
 <a href="http://src.chromium.org/viewvc/chrome/trunk/src/chrome/browser/browser_theme_provider.cc"><code>browser_theme_provider.cc</code></a>.
 </p>