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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be | 
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. | 
| 4 | 4 | 
| 5 #include "content/renderer/render_thread_impl.h" | 5 #include "content/renderer/render_thread_impl.h" | 
| 6 | 6 | 
| 7 #include <algorithm> | 7 #include <algorithm> | 
| 8 #include <limits> | 8 #include <limits> | 
| 9 #include <map> | 9 #include <map> | 
| 10 #include <utility> | 10 #include <utility> | 
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| 423   attributes.stencil_size = 0; | 423   attributes.stencil_size = 0; | 
| 424   attributes.samples = 0; | 424   attributes.samples = 0; | 
| 425   attributes.sample_buffers = 0; | 425   attributes.sample_buffers = 0; | 
| 426   attributes.bind_generates_resource = false; | 426   attributes.bind_generates_resource = false; | 
| 427   attributes.lose_context_when_out_of_memory = true; | 427   attributes.lose_context_when_out_of_memory = true; | 
| 428   const bool automatic_flushes = false; | 428   const bool automatic_flushes = false; | 
| 429   return make_scoped_refptr(new ContextProviderCommandBuffer( | 429   return make_scoped_refptr(new ContextProviderCommandBuffer( | 
| 430       std::move(gpu_channel_host), stream_id, stream_priority, | 430       std::move(gpu_channel_host), stream_id, stream_priority, | 
| 431       gpu::kNullSurfaceHandle, | 431       gpu::kNullSurfaceHandle, | 
| 432       GURL("chrome://gpu/RenderThreadImpl::CreateOffscreenContext"), | 432       GURL("chrome://gpu/RenderThreadImpl::CreateOffscreenContext"), | 
| 433       gfx::PreferIntegratedGpu, automatic_flushes, support_locking, limits, | 433       gl::PreferIntegratedGpu, automatic_flushes, support_locking, limits, | 
| 434       attributes, nullptr, type)); | 434       attributes, nullptr, type)); | 
| 435 } | 435 } | 
| 436 | 436 | 
| 437 }  // namespace | 437 }  // namespace | 
| 438 | 438 | 
| 439 // For measuring memory usage after each task. Behind a command line flag. | 439 // For measuring memory usage after each task. Behind a command line flag. | 
| 440 class MemoryObserver : public base::MessageLoop::TaskObserver { | 440 class MemoryObserver : public base::MessageLoop::TaskObserver { | 
| 441  public: | 441  public: | 
| 442   MemoryObserver() {} | 442   MemoryObserver() {} | 
| 443   ~MemoryObserver() override {} | 443   ~MemoryObserver() override {} | 
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| 2089       v8_memory_pressure_level == v8::MemoryPressureLevel::kCritical) | 2089       v8_memory_pressure_level == v8::MemoryPressureLevel::kCritical) | 
| 2090     v8_memory_pressure_level = v8::MemoryPressureLevel::kModerate; | 2090     v8_memory_pressure_level = v8::MemoryPressureLevel::kModerate; | 
| 2091 | 2091 | 
| 2092   blink::mainThreadIsolate()->MemoryPressureNotification( | 2092   blink::mainThreadIsolate()->MemoryPressureNotification( | 
| 2093       v8_memory_pressure_level); | 2093       v8_memory_pressure_level); | 
| 2094   blink::MemoryPressureNotificationToWorkerThreadIsolates( | 2094   blink::MemoryPressureNotificationToWorkerThreadIsolates( | 
| 2095       v8_memory_pressure_level); | 2095       v8_memory_pressure_level); | 
| 2096 } | 2096 } | 
| 2097 | 2097 | 
| 2098 }  // namespace content | 2098 }  // namespace content | 
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