cc: Free gpu resources when we are invisible or TM is oom.

webkit/common/gpu/grcontext_for_webgraphicscontext3d.cc

 // 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.
 
 #include "webkit/common/gpu/grcontext_for_webgraphicscontext3d.h"
 
 #include "base/lazy_instance.h"
 #include "base/trace_event/trace_event.h"
 #include "gpu/blink/webgraphicscontext3d_impl.h"
 #include "gpu/command_buffer/client/gles2_lib.h"
@@ skipping 41 matching lines @@
   if (!interface)
     return;
 
   interface->fCallback = BindWebGraphicsContext3DGLContextCallback;
   interface->fCallbackData =
       reinterpret_cast<GrGLInterfaceCallbackData>(context3d);
 
   gr_context_ = skia::AdoptRef(GrContext::Create(
       kOpenGL_GrBackend,
       reinterpret_cast<GrBackendContext>(interface.get())));
-  if (gr_context_) {
-    // The limit of the number of GPU resources we hold in the GrContext's
-    // GPU cache.
-    static const int kMaxGaneshResourceCacheCount = 2048;
-    // The limit of the bytes allocated toward GPU resources in the GrContext's
-    // GPU cache.
-    static const size_t kMaxGaneshResourceCacheBytes = 96 * 1024 * 1024;
-
-    gr_context_->setResourceCacheLimits(kMaxGaneshResourceCacheCount,
-                                        kMaxGaneshResourceCacheBytes);

[vmiura, 2015/04/02 19:12:34]

I'm not sure it's OK to remove this initialization.

GrContext can be used outside of GpuRasterizer, e.g. in GlRenderer.

[sohanjg, 2015/04/08 09:00:31]

Acknowledged.
Added it back.

-  }
 }
 
 GrContextForWebGraphicsContext3D::~GrContextForWebGraphicsContext3D() {
 }
 
 void GrContextForWebGraphicsContext3D::OnLostContext() {
   if (gr_context_)
     gr_context_->abandonContext();
 }
 
 void GrContextForWebGraphicsContext3D::FreeGpuResources() {
   if (gr_context_) {
     TRACE_EVENT_INSTANT0("gpu", "GrContext::freeGpuResources", \
         TRACE_EVENT_SCOPE_THREAD);
     gr_context_->freeGpuResources();
   }
 }
 
 }  // namespace gpu
 }  // namespace webkit