[ios] Remove unused is_valid_ from IOS Metal Context (flutter#21432)

iskakaushik · web-flow · commit 2917a650110b · 2020-09-28T08:05:48.000-07:00
diff --git a/shell/platform/darwin/ios/ios_context_metal.h b/shell/platform/darwin/ios/ios_context_metal.h
@@ -37,7 +37,6 @@ class IOSContextMetal final : public IOSContext {
   sk_sp<GrDirectContext> main_context_;
   sk_sp<GrDirectContext> resource_context_;
   fml::CFRef<CVMetalTextureCacheRef> texture_cache_;
-  bool is_valid_ = false;
 
   // |IOSContext|
   sk_sp<GrDirectContext> CreateResourceContext() override;
diff --git a/shell/platform/darwin/ios/ios_context_metal.mm b/shell/platform/darwin/ios/ios_context_metal.mm
@@ -65,8 +65,6 @@ static GrContextOptions CreateMetalGrContextOptions() {
     return;
   }
   texture_cache_.Reset(texture_cache_raw);
-
-  is_valid_ = false;
 }
 
 IOSContextMetal::~IOSContextMetal() = default;

Original file line number	Diff line number	Diff line change
`@@ -65,8 +65,6 @@ static GrContextOptions CreateMetalGrContextOptions() {`
`65`	`65`	`return;`
`66`	`66`	`}`
`67`	`67`	`texture_cache_.Reset(texture_cache_raw);`
`68`		`-`
`69`		`- is_valid_ = false;`
`70`	`68`	`}`
`71`	`69`
`72`	`70`	`IOSContextMetal::~IOSContextMetal() = default;`