Roll Fuchsia SDK from e237df60615b to c9b6deebf8ef.

This is a manual roll to bring us to the most-recent working SDK build.

CQ_INCLUDE_TRYBOTS=luci.chromium.try:fuchsia_arm64_cast_audio;luci.chromium.try:fuchsia_x64_cast_audio


Change-Id: I1c614558bc5b3f2376537455d42fb705e5ce3dee
Reviewed-on: https://chromium-review.googlesource.com/1141929Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: David Benjamin <davidben@chromium.org>
Reviewed-by: Sergey Ulanov <sergeyu@chromium.org>
Reviewed-by: Wez <wez@chromium.org>
Commit-Queue: Sergey Ulanov <sergeyu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576199}

base/environment_unittest.cc

@@ -16,7 +16,13 @@ namespace base {
 
 namespace {
 
+// PATH env variable is not set on Fuchsia by default, while PWD is not set on
+// Windows.
+#if defined(OS_FUCHSIA)
+constexpr char kValidEnvironmentVariable[] = "PWD";
+#else
 constexpr char kValidEnvironmentVariable[] = "PATH";
+#endif
 
 }  // namespace
 

build/fuchsia/sdk.sha1

-e237df60615b92cc90bdcd1aa3007d2cc83dc35c
+c9b6deebf8ef0d85134dfee4806f1a7bc2df3193
\ No newline at end of file

net/base/network_change_notifier_fuchsia_unittest.cc

@@ -153,7 +153,7 @@ class FakeNetstack : public fuchsia::netstack::Netstack {
       ::fidl::VectorPtr<fuchsia::netstack::RouteTableEntry> rt) override {}
   void SetInterfaceAddress(uint32_t nicid,
                            fuchsia::netstack::NetAddress addr,
-                           uint64_t prefixLen,
+                           uint8_t prefixLen,
                            SetInterfaceAddressCallback callback) override {}
   void SetDhcpClientStatus(uint32_t nicid,
                            bool enabled,

skia/ext/fontmgr_fuchsia.cc

@@ -58,13 +58,13 @@ fuchsia::fonts::FontSlant ToFontSlant(SkFontStyle::Slant slant) {
 
 void UnmapMemory(const void* buffer, void* context) {
   const uintptr_t size = reinterpret_cast<uintptr_t>(context);
-  zx::vmar::root_self().unmap(reinterpret_cast<uintptr_t>(buffer), size);
+  zx::vmar::root_self()->unmap(reinterpret_cast<uintptr_t>(buffer), size);
 }
 
 sk_sp<SkData> BufferToSkData(fuchsia::mem::Buffer data) {
   uintptr_t buffer = 0;
-  zx_status_t status = zx::vmar::root_self().map(0, data.vmo, 0, data.size,
-                                                 ZX_VM_FLAG_PERM_READ, &buffer);
+  zx_status_t status = zx::vmar::root_self()->map(
+      0, data.vmo, 0, data.size, ZX_VM_FLAG_PERM_READ, &buffer);
   if (status != ZX_OK) {
     ZX_DLOG(ERROR, status) << "zx_vmar_map";
     return nullptr;