Remove all but one use of WeakPtrFactory::DetachFromThread.

webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc

Index: webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
diff --git a/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc b/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
index 4e4802505483080a16438a16978db3bb93c63a25..86ec2d20cf91651d318551f8f61f540fe47a03bd 100644
--- a/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
+++ b/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
@@ -254,10 +254,11 @@ static bool g_use_virtualized_gl_context = false;
 
 namespace {
 
-// Also calls DetachFromThread on all GLES2Decoders before the lock is released
-// to maintain the invariant that all decoders are unbounded while the lock is
-// not held. This is to workaround DumpRenderTree uses WGC3DIPCBI with shared
-// resources on different threads.
+// Also calls DetachFromThreadHack on all GLES2Decoders before the lock is
+// released to maintain the invariant that all decoders are unbound while the
+// lock is not held. This is to workaround DumpRenderTree using WGC3DIPCBI with
+// shared resources on different threads.
+// Remove this as part of crbug.com/234964.
 class AutoLockAndDecoderDetachThread {
  public:
   AutoLockAndDecoderDetachThread(base::Lock& lock,
@@ -278,7 +279,7 @@ AutoLockAndDecoderDetachThread::AutoLockAndDecoderDetachThread(
 
 void DetachThread(GLInProcessContext* context) {
   if (context->GetDecoder())
-    context->GetDecoder()->DetachFromThread();
+    context->GetDecoder()->DetachFromThreadHack();
 }
 
 AutoLockAndDecoderDetachThread::~AutoLockAndDecoderDetachThread() {