During image destroy, delete textures only if we have a GL context.

content/common/gpu/gpu_channel.cc

Index: content/common/gpu/gpu_channel.cc
diff --git a/content/common/gpu/gpu_channel.cc b/content/common/gpu/gpu_channel.cc
index 1c8e4f95f3cb853e72a7ab1829288f19ed86b002..b8d62f7c1c360ba8c13d0a8bcbcf9e57a55b1586 100644
--- a/content/common/gpu/gpu_channel.cc
+++ b/content/common/gpu/gpu_channel.cc
@@ -404,6 +404,10 @@ GpuChannel::~GpuChannel() {
   STLDeleteElements(&deferred_messages_);
   if (preempting_flag_.get())
     preempting_flag_->Reset();
+
+  bool have_context = gfx::GLContext::GetCurrent()->IsCurrent(NULL);
+  if (image_manager_)
+    image_manager_->Destroy(have_context);

[reveman, 2014/06/03 15:57:54]

I don't think this will work. What if the context that is current is not in the
same group as one of the images that will be destroyed?

[sohanjg, 2014/06/04 06:39:02]

I have tried checking the context from GpuCommandBufferStub.

 }
 
 void GpuChannel::Init(base::MessageLoopProxy* io_message_loop,