Fix Vulkan Compile on Windows

gpu/vulkan was not compiling on Windows. This fixes the errors.

Bug: 961874
Change-Id: I7c3412819d0d445d48c12f43ce175284317c99d1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1610450Reviewed-by: Jonathan Ross <jonross@chromium.org>
Reviewed-by: Jonathan Backer <backer@chromium.org>
Commit-Queue: Jonathan Ross <jonross@chromium.org>
Cr-Commit-Position: refs/heads/master@{#659191}

gpu/vulkan/semaphore_handle.cc

@@ -38,7 +38,7 @@ SemaphoreHandle SemaphoreHandle::Duplicate() const {
                          base::ScopedFD(HANDLE_EINTR(dup(handle_.get()))));
 #elif defined(OS_WIN)
   HANDLE handle_dup;
-  if (!::DuplicateHandle(::GetCurrentProcess(), handle_.get(),
+  if (!::DuplicateHandle(::GetCurrentProcess(), handle_.Get(),
                          ::GetCurrentProcess(), &handle_dup, 0, FALSE,
                          DUPLICATE_SAME_ACCESS)) {
     return SemaphoreHandle();

gpu/vulkan/semaphore_handle.h

@@ -51,7 +51,13 @@ class VULKAN_EXPORT SemaphoreHandle {
 
   VkExternalSemaphoreHandleTypeFlagBits vk_handle_type() { return type_; }
 
-  bool is_valid() const { return handle_.is_valid(); }
+  bool is_valid() const {
+#if defined(OS_WIN)
+    return handle_.IsValid();
+#else
+    return handle_.is_valid();
+#endif
+  }
 
   // Returns underlying platform-specific handle for the semaphore. is_valid()
   // becomes false after this function returns.

gpu/vulkan/vulkan_swap_chain.h

@@ -22,7 +22,7 @@ class VulkanDeviceQueue;
 
 class VULKAN_EXPORT VulkanSwapChain {
  public:
-  class ScopedWrite {
+  class VULKAN_EXPORT ScopedWrite {
    public:
     explicit ScopedWrite(VulkanSwapChain* swap_chain);
     ~ScopedWrite();