Refactor client visibility handling

blimp/client/feature/compositor/blimp_context_provider.cc

Index: blimp/client/feature/compositor/blimp_context_provider.cc
diff --git a/blimp/client/feature/compositor/blimp_context_provider.cc b/blimp/client/feature/compositor/blimp_context_provider.cc
index 8c68d7b9b957b7a060788544f76756f3903aaa3b..0b21bfc2cdaae0195a461b1995fb845908303ba2 100644
--- a/blimp/client/feature/compositor/blimp_context_provider.cc
+++ b/blimp/client/feature/compositor/blimp_context_provider.cc
@@ -7,6 +7,7 @@
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/lazy_instance.h"
+#include "cc/output/context_cache_controller.h"
 #include "gpu/command_buffer/client/gl_in_process_context.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "gpu/command_buffer/client/gles2_lib.h"
@@ -48,6 +49,9 @@ BlimpContextProvider::BlimpContextProvider(
       gpu_memory_buffer_manager, nullptr /* memory_limits */));
   context_->GetImplementation()->SetLostContextCallback(
       base::Bind(&BlimpContextProvider::OnLostContext, base::Unretained(this)));
+
+  cache_controller_.reset(
+      new cc::ContextCacheController(context_->GetImplementation()));
 }
 
 BlimpContextProvider::~BlimpContextProvider() {
@@ -87,9 +91,15 @@ class GrContext* BlimpContextProvider::GrContext() {
 
   gr_context_.reset(new skia_bindings::GrContextForGLES2Interface(ContextGL()));
 
+  cache_controller_->SetGrContext(gr_context_->get());

[danakj, 2016/08/26 23:49:08]

nit: prefer this grouped with the gr_context_reset more than then return (or
drop the whitespace cuz why not both?)

[ericrk, 2016/08/29 22:43:22]

Done.

   return gr_context_->get();
 }
 
+cc::ContextCacheController* BlimpContextProvider::CacheController() {
+  DCHECK(context_thread_checker_.CalledOnValidThread());
+  return cache_controller_.get();
+}
+
 void BlimpContextProvider::InvalidateGrContext(uint32_t state) {
   DCHECK(context_thread_checker_.CalledOnValidThread());
 
@@ -103,13 +113,6 @@ base::Lock* BlimpContextProvider::GetLock() {
   return nullptr;
 }
 
-void BlimpContextProvider::DeleteCachedResources() {
-  DCHECK(context_thread_checker_.CalledOnValidThread());
-
-  if (gr_context_)
-    gr_context_->FreeGpuResources();
-}
-
 void BlimpContextProvider::SetLostContextCallback(
     const LostContextCallback& lost_context_callback) {
   DCHECK(context_thread_checker_.CalledOnValidThread());