Move ownership of PowerSaveBlocker from WakeLockServiceContext to WakeLockServiceImpl

content/browser/wake_lock/wake_lock_context_host.cc

Index: content/browser/wake_lock/wake_lock_context_host.cc
diff --git a/content/browser/wake_lock/wake_lock_context_host.cc b/content/browser/wake_lock/wake_lock_context_host.cc
index 7376d05f73becdf7de1b025368cc40b82695e511..411a436ff670be0bc48f6a5676b92438e6bf11ee 100644
--- a/content/browser/wake_lock/wake_lock_context_host.cc
+++ b/content/browser/wake_lock/wake_lock_context_host.cc
@@ -41,7 +41,8 @@ WakeLockContextHost::WakeLockContextHost(WebContents* web_contents)
     device::mojom::WakeLockContextProviderPtr context_provider;
     connector->BindInterface(device::mojom::kServiceName,
                              mojo::MakeRequest(&context_provider));
-    context_provider->GetContext(id_, mojo::MakeRequest(&wake_lock_context_));
+    context_provider->GetWakeLockContextForID(

[blundell, 2017/05/02 11:27:43]

nit: Let's make this naming change in the CL that introduces the corresponding
method for getting a wake lock without context.

[ke.he, 2017/05/04 11:54:13]

Done.

+        id_, mojo::MakeRequest(&wake_lock_context_));
   }
 }