fuchsia: add base_paths_fuchsia.cc

base/path_service.cc

Index: base/path_service.cc
diff --git a/base/path_service.cc b/base/path_service.cc
index 4715dfccb82c73749d6347afb8164720b80eb1e5..2caa3eaf0dbb68fa010e0598b236b91c293f681b 100644
--- a/base/path_service.cc
+++ b/base/path_service.cc
@@ -28,6 +28,8 @@ bool PathProviderWin(int key, FilePath* result);
 bool PathProviderMac(int key, FilePath* result);
 #elif defined(OS_ANDROID)
 bool PathProviderAndroid(int key, FilePath* result);
+#elif defined(OS_FUCHSIA)
+bool PathProviderFuchsia(int key, FilePath* result);
 #elif defined(OS_POSIX)
 // PathProviderPosix is the default path provider on POSIX OSes other than
 // Mac and Android.
@@ -96,7 +98,16 @@ Provider base_provider_android = {
 };
 #endif
 
-#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
+#if defined(OS_FUCHSIA)
+Provider base_provider_fuchsia = {PathProviderFuchsia, &base_provider,
+#ifndef NDEBUG
+                                  0, 0,

[Lei Zhang, 2017/05/24 23:28:34]

Do you want to actually reserve some number space now? Do it later?

[scottmg, 2017/05/24 23:42:29]

I only know of /system and /data at the moment. It looks like there's a user
data store in the works, but I don't think it exists yet. So I guess we can add
it as necessary instead of upfront.

+#endif
+                                  true};
+#endif
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID) && \
+    !defined(OS_FUCHSIA)
 Provider base_provider_posix = {
   PathProviderPosix,
   &base_provider,
@@ -123,6 +134,8 @@ struct PathData {
     providers = &base_provider_mac;
 #elif defined(OS_ANDROID)
     providers = &base_provider_android;
+#elif defined(OS_FUCHSIA)
+    providers = &base_provider_fuchsia;
 #elif defined(OS_POSIX)
     providers = &base_provider_posix;
 #endif