Add Media Router WebUI icons.

chrome/browser/browser_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <grit latest_public_release="0" current_release="1">
   <outputs>
     <output filename="grit/browser_resources.h" type="rc_header">
       <emit emit_type='prepend'></emit>
     </output>
     <output filename="browser_resources.pak" type="data_package" />
   </outputs>
   <release seq="1">
     <structures>
@@ skipping 429 matching lines @@
           <include name="IDR_ZHUYIN_MANIFEST" file="resources\chromeos\input_method\zhuyin_manifest.json" type="BINDATA" />
           <include name="IDR_CANGJIE_MANIFEST" file="resources\chromeos\input_method\cangjie_manifest.json" type="BINDATA" />
           <include name="IDR_MOZC_MANIFEST" file="resources\chromeos\input_method\mozc_manifest.json" type="BINDATA" />
         </if>
         <include name="IDR_HANGUL_MANIFEST" file="resources\chromeos\input_method\hangul_manifest.json" type="BINDATA" />
         <include name="IDR_BRAILLE_MANIFEST" file="resources\chromeos\braille_ime\manifest.json" type="BINDATA" />
       </if>
       <include name="IDR_WHISPERNET_PROXY_MANIFEST" file="resources\whispernet_proxy\manifest.json" type="BINDATA" />
       <include name="IDR_MD_SETTINGS_UI_HTML" file="resources\md_settings\md_settings.html" type="BINDATA" />
       <include name="IDR_MD_SETTINGS_UI_CSS" file="resources\md_settings\md_settings.css" type="BINDATA" />
+      <if expr="enable_media_router">
+        <include name="IDR_MEDIA_ROUTER_CHROMECAST_16_ICON" file="resources\media_router\elements\icon\chromecast-icon-16.png" type="BINDATA" />
+        <include name="IDR_MEDIA_ROUTER_CHROMECAST_32_ICON" file="resources\media_router\elements\icon\chromecast-icon-32.png" type="BINDATA" />

[mark a. foltz, 2015/03/23 17:49:57]

How does the 32.png look on a Retina display?  

[apacible, 2015/03/23 18:22:48]

It's not as sharp as it could be. This goes for most icons, actually. I'll talk
to Jonny about making a set that looks nice on a Retina display.

+        <include name="IDR_CLOSE_GRAY_ICON" file="resources\media_router\elements\icon\close-gray.png" type="BINDATA" />
+        <include name="IDR_CLOSE_GRAY_2X_ICON" file="resources\media_router\elements\icon\close-gray2x.png" type="BINDATA" />

[mark a. foltz, 2015/03/23 17:49:57]

I would like to be consistent with file naming, using 2x for the high res
versions, since the pixel sizes may vary.

[apacible, 2015/03/23 18:22:48]

Done.

+        <include name="IDR_DOWN_ARROW_ICON" file="resources\media_router\elements\icon\down-arrow.png" type="BINDATA" />
+        <include name="IDR_DOWN_ARROW_HOVER_ICON" file="resources\media_router\elements\icon\down-arrow-hover.png" type="BINDATA" />
+        <include name="IDR_DOWN_ARROW_SHOWING_ICON" file="resources\media_router\elements\icon\down-arrow-showing.png" type="BINDATA" />

[mark a. foltz, 2015/03/23 17:49:57]

This PNG looked corrupted in Reitveld?  Or maybe just looks odd out of context.

[apacible, 2015/03/23 18:22:48]

It looks a lot better on a file explorer and image preview than on Reitveld.
It's a downward white arrow with blackened lower left and lower right corners.
(Inverse of down-arrow-hover.)

+        <include name="IDR_MEDIA_ROUTER_GENERIC_DEVICE_16_ICON" file="resources\media_router\elements\icon\generic-device-16.png" type="BINDATA" />
+        <include name="IDR_MEDIA_ROUTER_GENERIC_DEVICE_32_ICON" file="resources\media_router\elements\icon\generic-device-32.png" type="BINDATA" />
+        <include name="IDR_MEDIA_ROUTER_HANGOUTS_16_ICON" file="resources\media_router\elements\icon\hangouts-icon-16.png" type="BINDATA" />
+        <include name="IDR_MEDIA_ROUTER_HANGOUTS_32_ICON" file="resources\media_router\elements\icon\hangouts-icon-32.png" type="BINDATA" />
+        <include name="IDR_MUTE_ICON" file="resources\media_router\elements\icon\mute.png" type="BINDATA" />

[mark a. foltz, 2015/03/23 17:49:57]

Per offline convo, since we are not planning on supporting generic media
controls in the first iteration, we can hold out the supporting resources
(mute,pause,play,unmute)

[apacible, 2015/03/23 18:22:48]

Removed mute, pause, play, unmute.

+        <include name="IDR_MUTE_2X_ICON" file="resources\media_router\elements\icon\mute2x.png" type="BINDATA" />
+        <include name="IDR_PAUSE_ICON" file="resources\media_router\elements\icon\pause.png" type="BINDATA" />
+        <include name="IDR_PAUSE_2X_ICON" file="resources\media_router\elements\icon\pause2x.png" type="BINDATA" />
+        <include name="IDR_PLAY_ICON" file="resources\media_router\elements\icon\play.png" type="BINDATA" />
+        <include name="IDR_PLAY_2X_ICON" file="resources\media_router\elements\icon\play2x.png" type="BINDATA" />
+        <include name="IDR_SAD_FACE_ICON" file="resources\media_router\elements\icon\sad-face.png" type="BINDATA" />

[mark a. foltz, 2015/03/23 17:49:57]

Does this have a 2X version?

[apacible, 2015/03/23 18:22:48]

Not at the moment. I'll talk to Jonny about that.

+        <include name="IDR_UNMUTE_ICON" file="resources\media_router\elements\icon\unmute.png" type="BINDATA" />
+        <include name="IDR_UNMUTE_2X_ICON" file="resources\media_router\elements\icon\unmute2x.png" type="BINDATA" />
+      </if>
     </includes>
   </release>
 </grit>