Rename all methods accessing Singleton<T> as GetInstance().

chrome/browser/ui/cocoa/about_ipc_controller.mm

Index: chrome/browser/ui/cocoa/about_ipc_controller.mm
diff --git a/chrome/browser/ui/cocoa/about_ipc_controller.mm b/chrome/browser/ui/cocoa/about_ipc_controller.mm
index df6ae24d9f0ce9754627f14075ec77ff5f495f21..b3b44c24b8e83e5063de0eec41f1a77b35acbd45 100644
--- a/chrome/browser/ui/cocoa/about_ipc_controller.mm
+++ b/chrome/browser/ui/cocoa/about_ipc_controller.mm
@@ -102,7 +102,7 @@ AboutIPCController* gSharedController = nil;
     gSharedController = nil;
   if (g_browser_process)
     g_browser_process->SetIPCLoggingEnabled(false);  // just in case...
-  IPC::Logging::current()->SetConsumer(NULL);
+  IPC::Logging::GetInstance()->SetConsumer(NULL);
   [super dealloc];
 }
 
@@ -113,7 +113,7 @@ AboutIPCController* gSharedController = nil;
 
   // We are now able to display information, so let'er rip.
   bridge_.reset(new AboutIPCBridge(self));
-  IPC::Logging::current()->SetConsumer(bridge_.get());
+  IPC::Logging::GetInstance()->SetConsumer(bridge_.get());
 }
 
 // Delegate callback.  Closing the window means there is no more need
@@ -123,14 +123,14 @@ AboutIPCController* gSharedController = nil;
 }
 
 - (void)updateVisibleRunState {
-  if (IPC::Logging::current()->Enabled())
+  if (IPC::Logging::GetInstance()->Enabled())
     [startStopButton_ setTitle:@"Stop"];
   else
     [startStopButton_ setTitle:@"Start"];
 }
 
 - (IBAction)startStop:(id)sender {
-  g_browser_process->SetIPCLoggingEnabled(!IPC::Logging::current()->Enabled());
+  g_browser_process->SetIPCLoggingEnabled(!IPC::Logging::GetInstance()->Enabled());
   [self updateVisibleRunState];
 }