Bump min SDK version to 10.9 and suppress deprecation warnings

skia/BUILD.gn

 # 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 if (current_cpu == "arm") {
   import("//build/config/arm.gni")
 }
@@ skipping 224 matching lines @@
       "/wd4345",  # Object is default-initialized if initialization is omitted.
       "/wd4390",  # ';'empty statement found in looping;is it what was intended?
       "/wd4554",  # 'operator' : check operator precedence for possible error
       "/wd4748",  # compiler will disable optimizations if a function has inline
                   # assembly code contains flow control(jmp or jcc) statements.
 
       "/wd4800",  # forcing value to bool 'true/false'(assigning int to bool).
     ]
   }
 
+  if (is_ios || is_mac) {
+    cflags = [
+      # Skia uses routines deprecated in iOS 7 and above
+      "-Wno-deprecated-declarations",
+    ]
+  }
+
   if (is_ios) {
-    cflags = [
-      # Skia uses routines deprecated in iOS 7 and above
-      "-Wno-deprecated-declarations",
-    ]
-
     libs = [ "ImageIO.framework" ]
   }
 }
 
 component("skia") {
   sources = [
     # Chrome sources.
     "config/SkUserConfig.h",
     "ext/SkDiscardableMemory_chrome.cc",
     "ext/SkDiscardableMemory_chrome.h",
@@ skipping 388 matching lines @@
     sources = [
       "tools/filter_fuzz_stub/filter_fuzz_stub.cc",
     ]
 
     deps = [
       ":skia",
       "//base",
     ]
   }
 }