Enforce a memory limit on MappedMemoryManager

content/browser/renderer_host/image_transport_factory_android.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/image_transport_factory_android.h"
 
 #include "base/lazy_instance.h"
 #include "base/memory/singleton.h"
 #include "base/strings/stringprintf.h"
 #include "content/browser/gpu/browser_gpu_channel_host_factory.h"
@@ skipping 110 matching lines @@
       kBytesPerPixel;
   context_->setContextLostCallback(context_lost_listener_.get());
   context_->Initialize(
       attrs,
       false,
       CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE,
       64 * 1024,  // command buffer size
       64 * 1024,  // starting buffer size
       64 * 1024,  // min buffer size
       std::min(3 * full_screen_texture_size_in_bytes,
-               kDefaultMaxTransferBufferSize));
+               kDefaultMaxTransferBufferSize),
+      64 * 1024   // mapped memory limit
+  );
 
   if (context_->makeContextCurrent())
     context_->pushGroupMarkerEXT(
         base::StringPrintf("CmdBufferImageTransportFactory-%p",
                            context_.get()).c_str());
 }
 
 CmdBufferImageTransportFactory::~CmdBufferImageTransportFactory() {
   context_->setContextLostCallback(NULL);
 }
@@ skipping 88 matching lines @@
 
 void GLContextLostListener::DidLoseContext() {
   delete g_factory;
   g_factory = NULL;
   FOR_EACH_OBSERVER(ImageTransportFactoryAndroidObserver,
       g_factory_observers.Get(),
       OnLostResources());
 }
 
 } // namespace content