Revert 147328 - Current status of patch:

gpu/command_buffer/service/context_group.h

Index: gpu/command_buffer/service/context_group.h
===================================================================
--- gpu/command_buffer/service/context_group.h	(revision 147496)
+++ gpu/command_buffer/service/context_group.h	(working copy)
@@ -23,7 +23,6 @@
 
 namespace gles2 {
 
-class ProgramCache;
 class BufferManager;
 class GLES2Decoder;
 class FramebufferManager;
@@ -42,8 +41,7 @@
 
   ContextGroup(
       MailboxManager* mailbox_manager,
-      bool bind_generates_resource,
-      ProgramCache* program_cache);
+      bool bind_generates_resource);
 
   // This should only be called by GLES2Decoder. This must be paired with a
   // call to destroy if it succeeds.
@@ -151,8 +149,6 @@
   uint32 max_varying_vectors_;
   uint32 max_vertex_uniform_vectors_;
 
-  ProgramCache* program_cache_;
-
   scoped_ptr<BufferManager> buffer_manager_;
 
   scoped_ptr<FramebufferManager> framebuffer_manager_;