Move SharedMemoryLimits out of WebGraphicsContext3DCommandBufferImpl.

cc/output/context_provider.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_OUTPUT_CONTEXT_PROVIDER_H_
 #define CC_OUTPUT_CONTEXT_PROVIDER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 46 matching lines @@
   // from the same thread unless the function has some explicitly specified
   // rules for access on a different thread. See SetupLockOnMainThread(), which
   // can be used to provide access from multiple threads.
   virtual bool BindToCurrentThread() = 0;
   virtual void DetachFromThread() {}
 
   virtual gpu::gles2::GLES2Interface* ContextGL() = 0;
   virtual gpu::ContextSupport* ContextSupport() = 0;
   virtual class GrContext* GrContext() = 0;
 
-  struct Capabilities {
-    gpu::Capabilities gpu;
-    size_t max_transfer_buffer_usage_bytes;
-
-    CC_EXPORT Capabilities();
-  };
-
   // Invalidates the cached OpenGL state in GrContext.
   // See skia GrContext::resetContext for details.
   virtual void InvalidateGrContext(uint32_t state) = 0;
 
   // Sets up a lock so this context can be used from multiple threads. After
   // calling this, all functions without explicit thread usage constraints can
   // be used on any thread while the lock returned by GetLock() is acquired.
   virtual void SetupLock() = 0;
 
   // Returns the lock that should be held if using this context from multiple
   // threads. This can be called on any thread.
   virtual base::Lock* GetLock() = 0;
 
   // Returns the capabilities of the currently bound 3d context.
-  virtual Capabilities ContextCapabilities() = 0;
+  virtual gpu::Capabilities ContextCapabilities() = 0;
 
   // Delete all cached gpu resources.
   virtual void DeleteCachedResources() = 0;
 
   // Sets a callback to be called when the context is lost. This should be
   // called from the same thread that the context is bound to. To avoid races,
   // it should be called before BindToCurrentThread().
   typedef base::Closure LostContextCallback;
   virtual void SetLostContextCallback(
       const LostContextCallback& lost_context_callback) = 0;
 
  protected:
   friend class base::RefCountedThreadSafe<ContextProvider>;
   virtual ~ContextProvider() {}
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_CONTEXT_PROVIDER_H_