From 8236de3765ce1143b366321b7823903e38a681c2 Mon Sep 17 00:00:00 2001
From: Kershaw Chang <kechang@mozilla.com>
Date: Mon, 2 Jun 2014 19:25:00 -0400
Subject: [PATCH] Bug 1013097 - Remove IPC for switch event because only the
 chrome process can receive it. r=dhylands

---
 hal/Hal.cpp                |  1 +
 hal/sandbox/PHal.ipdl      |  1 -
 hal/sandbox/SandboxHal.cpp | 12 +++---------
 3 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/hal/Hal.cpp b/hal/Hal.cpp
index 4617c562aa9..392338c08ee 100644
--- a/hal/Hal.cpp
+++ b/hal/Hal.cpp
@@ -764,6 +764,7 @@ SwitchState GetCurrentSwitchState(SwitchDevice aDevice)
 
 void NotifySwitchStateFromInputDevice(SwitchDevice aDevice, SwitchState aState)
 {
+  AssertMainThread();
   PROXY_IF_SANDBOXED(NotifySwitchStateFromInputDevice(aDevice, aState));
 }
 
diff --git a/hal/sandbox/PHal.ipdl b/hal/sandbox/PHal.ipdl
index 91fa8e97f44..79826fc06af 100644
--- a/hal/sandbox/PHal.ipdl
+++ b/hal/sandbox/PHal.ipdl
@@ -175,7 +175,6 @@ parent:
     DisableSwitchNotifications(SwitchDevice aDevice);
     sync GetCurrentSwitchState(SwitchDevice aDevice)
       returns (SwitchState aState);
-    NotifySwitchStateFromInputDevice(SwitchDevice aDevice, SwitchState aState);
 
     FactoryReset();
 
diff --git a/hal/sandbox/SandboxHal.cpp b/hal/sandbox/SandboxHal.cpp
index f5e0166b433..ea48113155e 100644
--- a/hal/sandbox/SandboxHal.cpp
+++ b/hal/sandbox/SandboxHal.cpp
@@ -344,7 +344,9 @@ GetCurrentSwitchState(SwitchDevice aDevice)
 void
 NotifySwitchStateFromInputDevice(SwitchDevice aDevice, SwitchState aState)
 {
-  Hal()->SendNotifySwitchStateFromInputDevice(aDevice, aState);
+  unused << aDevice;
+  unused << aState;
+  NS_RUNTIMEABORT("Only the main process may notify switch state change.");
 }
 
 bool
@@ -862,14 +864,6 @@ public:
     return true;
   }
 
-  virtual bool
-  RecvNotifySwitchStateFromInputDevice(const SwitchDevice& aDevice,
-                                       const SwitchState& aState) MOZ_OVERRIDE
-  {
-    hal::NotifySwitchStateFromInputDevice(aDevice, aState);
-    return true;
-  }
-
   void Notify(const int64_t& aClockDeltaMS)
   {
     unused << SendNotifySystemClockChange(aClockDeltaMS);