Power save blocker: switch to new implementation.

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
===================================================================
--- content/browser/renderer_host/render_view_host_impl.cc	(revision 141149)
+++ content/browser/renderer_host/render_view_host_impl.cc	(working copy)
@@ -1768,13 +1768,15 @@
                                              bool has_audio,
                                              bool is_playing) {
   if (is_playing) {
-    PowerSaveBlocker* blocker = NULL;
+    content::PowerSaveBlocker* blocker = NULL;

[jam, 2012/06/12 20:53:32]

nit: in this whole function, don't add "content::" since you're in the content
namespace

     if (has_video) {
-      blocker = new PowerSaveBlocker(
-          PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep);
+      blocker = new content::PowerSaveBlocker(
+          content::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep,
+          "Playing video");
     } else if (has_audio) {
-      blocker = new PowerSaveBlocker(
-          PowerSaveBlocker::kPowerSaveBlockPreventSystemSleep);
+      blocker = new content::PowerSaveBlocker(
+          content::PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension,
+          "Playing audio");
     }
 
     if (blocker)