Fix incorrect assertion following the move of Geolocation provider in to its own thread.

chrome/browser/geolocation/core_location_data_provider_mac.mm

Index: chrome/browser/geolocation/core_location_data_provider_mac.mm
diff --git a/chrome/browser/geolocation/core_location_data_provider_mac.mm b/chrome/browser/geolocation/core_location_data_provider_mac.mm
index b20230e9ba8332e7d9759c593b8de8216d97a514..417c91b4143f0591b232f8084cb1a776814d1b86 100644
--- a/chrome/browser/geolocation/core_location_data_provider_mac.mm
+++ b/chrome/browser/geolocation/core_location_data_provider_mac.mm
@@ -11,6 +11,7 @@
 
 #include "chrome/browser/geolocation/core_location_data_provider_mac.h"
 #include "chrome/browser/geolocation/core_location_provider_mac.h"
+#include "chrome/browser/geolocation/geolocation_provider.h"
 #include "base/logging.h"
 #include "base/time.h"
 
@@ -183,9 +184,9 @@ enum {
 @end
 
 CoreLocationDataProviderMac::CoreLocationDataProviderMac() {
-  if(!BrowserThread::GetCurrentThreadIdentifier(&origin_thread_id_))
+  if(MessageLoop::current() != GeolocationProvider::GetInstance()->message_loop())

[bulach, 2011/01/06 12:44:59]

nit:space after if, and >80cols

if (MessageLoop::current() !=
    GeolocationProvider::GetInstance()->message_loop()) {
}

     NOTREACHED() <<
-         "CoreLocation data provider must be created in a valid BrowserThread.";
+         "CoreLocation data provider must be created on the Geolocation thread.";

[bulach, 2011/01/06 12:44:59]

nit: >80cols.

   provider_ = NULL;
   wrapper_.reset([[CoreLocationWrapperMac alloc] initWithDataProvider:this]);
 }
@@ -194,7 +195,7 @@ CoreLocationDataProviderMac::~CoreLocationDataProviderMac() {
 }
 
 // Returns true if the CoreLocation wrapper can load the framework and
-// location services are enabled.  The pointer argument will only be accessed
+// location services are enabled.  The pointer toargument will only be accessed

[bulach, 2011/01/06 12:44:59]

s/to//

 // in the origin thread.
 bool CoreLocationDataProviderMac::
     StartUpdating(CoreLocationProviderMac* provider) {
@@ -216,7 +217,7 @@ void CoreLocationDataProviderMac::StopUpdating() {
 }
 
 void CoreLocationDataProviderMac::UpdatePosition(Geoposition *position) {
-  BrowserThread::PostTask(origin_thread_id_, FROM_HERE,
+  GeolocationProvider::GetInstance()->message_loop()->PostTask(FROM_HERE,
               NewRunnableMethod(this,
                                &CoreLocationDataProviderMac::PositionUpdated,
                                *position));
@@ -235,7 +236,7 @@ void CoreLocationDataProviderMac::StopUpdatingTask() {
 }
 
 void CoreLocationDataProviderMac::PositionUpdated(Geoposition position) {
-  DCHECK(BrowserThread::CurrentlyOn(origin_thread_id_));
+  DCHECK(MessageLoop::current() == GeolocationProvider::GetInstance()->message_loop());

[bulach, 2011/01/06 12:44:59]

nit: >80cols

   if(provider_)
     provider_->SetPosition(&position);
 }