Vulkan: Remove DispatchHelper

src/libANGLE/renderer/vulkan/ContextVk.h

@@ -847,9 +847,6 @@ class ContextVk : public ContextImpl, public vk::Context
     QueryVk *mActiveQueryAnySamples;
     QueryVk *mActiveQueryAnySamplesConservative;
 
-    // Graph resource used to record dispatch commands and hold resource dependencies.
-    vk::DispatchHelper mDispatcher;
-
     // The offset we had the last time we bound the index buffer.
     const GLvoid *mLastIndexBufferOffset;
     gl::DrawElementsType mCurrentDrawElementsType;

src/libANGLE/renderer/vulkan/vk_helpers.cpp

@@ -5019,11 +5019,6 @@ angle::Result SamplerHelper::init(Context *context, const VkSamplerCreateInfo &c
     return angle::Result::Continue;
 }
 
-// DispatchHelper implementation.
-DispatchHelper::DispatchHelper() = default;
-
-DispatchHelper::~DispatchHelper() = default;
-
 // ShaderProgramHelper implementation.
 ShaderProgramHelper::ShaderProgramHelper() = default;
 

src/libANGLE/renderer/vulkan/vk_helpers.h

@@ -1696,15 +1696,6 @@ class FramebufferHelper : public Resource
     Framebuffer mFramebuffer;
 };
 
-// A special command graph resource to hold resource dependencies for dispatch calls.  It's the
-// equivalent of FramebufferHelper, though it doesn't contain a Vulkan object.
-class DispatchHelper : public Resource
-{
-  public:
-    DispatchHelper();
-    ~DispatchHelper() override;
-};
-
 class ShaderProgramHelper : angle::NonCopyable
 {
   public: