Create chrome://device-emulator and add the ability to get a battery percentage and send an updated…

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 384 matching lines @@
         <include name="IDR_SOUND_CAMERA_SNAP_WAV" file="resources\chromeos\sounds\camera_snap.wav" type="BINDATA" />
         <include name="IDR_SOUND_OBJECT_DELETE_WAV" file="resources\chromeos\sounds\object_delete.wav" type="BINDATA" />
         <include name="IDR_SOUND_PASSTHROUGH_WAV" file="resources\chromeos\sounds\earcons\passthrough.wav" type="BINDATA" />
         <include name="IDR_SOUND_EXIT_SCREEN_WAV" file="resources\chromeos\sounds\earcons\exit_screen.wav" type="BINDATA" />
         <include name="IDR_SOUND_ENTER_SCREEN_WAV" file="resources\chromeos\sounds\earcons\enter_screen.wav" type="BINDATA" />
       </if>
       <if expr="chromeos">
         <include name="IDR_ABOUT_POWER_HTML" file="resources\chromeos\power.html" type="BINDATA" />
         <include name="IDR_ABOUT_POWER_JS" file="resources\chromeos\power.js" type="BINDATA" />
         <include name="IDR_ABOUT_POWER_CSS" file="resources\chromeos\power.css" type="BINDATA" />
+

[oshima, 2015/06/25 20:02:15]

nit: remove empty new line

[rfrappier, 2015/06/25 21:44:08]

Done.

+        <include name="IDR_DEVICE_EMULATOR_HTML" file="resources\chromeos\emulator\device_emulator.html" type="BINDATA" />
+        <include name="IDR_DEVICE_EMULATOR_CSS" file="resources\chromeos\emulator\device_emulator.css" type="BINDATA" />
+        <include name="IDR_DEVICE_EMULATOR_JS" file="resources\chromeos\emulator\device_emulator.js" type="BINDATA" />
       </if>
       <include name="IDR_GCM_INTERNALS_HTML" file="resources\gcm_internals.html" type="BINDATA" />
       <include name="IDR_GCM_INTERNALS_CSS" file="resources\gcm_internals.css" type="BINDATA" />
       <include name="IDR_GCM_INTERNALS_JS" file="resources\gcm_internals.js" type="BINDATA" />
       <include name="IDR_EASY_UNLOCK_MANIFEST" file="resources\easy_unlock\manifest.json" type="BINDATA" />
       <include name="IDR_EASY_UNLOCK_MANIFEST_SIGNIN" file="resources\easy_unlock\manifest_signin.json" type="BINDATA" />
       <if expr="chromeos">
         <include name="IDR_SET_TIME_HTML" file="resources\chromeos\set_time.html" type="BINDATA" />
         <include name="IDR_SET_TIME_CSS" file="resources\chromeos\set_time.css" type="BINDATA" />
         <include name="IDR_SET_TIME_JS" file="resources\chromeos\set_time.js" type="BINDATA" />
@@ skipping 16 matching lines @@
       </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">
         <part file="media_router_resources.grdp" />
       </if>
     </includes>
   </release>
 </grit>