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Issue 1076033002: Disable BackgroundRendererProcesses in absence of Finch. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 8 months ago
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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 // Represents the browser side of the browser <--> renderer communication 5 // Represents the browser side of the browser <--> renderer communication
6 // channel. There will be one RenderProcessHost per renderer process. 6 // channel. There will be one RenderProcessHost per renderer process.
7 7
8 #include "content/browser/renderer_host/render_process_host_impl.h" 8 #include "content/browser/renderer_host/render_process_host_impl.h"
9 9
10 #include <algorithm> 10 #include <algorithm>
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2221 if (GetModuleHandle(L"cbstext.dll")) 2221 if (GetModuleHandle(L"cbstext.dll"))
2222 return; 2222 return;
2223 #endif // OS_WIN 2223 #endif // OS_WIN
2224 2224
2225 #if defined(OS_WIN) 2225 #if defined(OS_WIN)
2226 // Same as below, but bound to an experiment (http://crbug.com/458594) 2226 // Same as below, but bound to an experiment (http://crbug.com/458594)
2227 // initially on Windows. Enabled by default in the asbence of field trials to 2227 // initially on Windows. Enabled by default in the asbence of field trials to
2228 // get coverage on the perf waterfall. 2228 // get coverage on the perf waterfall.
2229 base::FieldTrial* trial = 2229 base::FieldTrial* trial =
2230 base::FieldTrialList::Find("BackgroundRendererProcesses"); 2230 base::FieldTrialList::Find("BackgroundRendererProcesses");
2231 if (!trial || (trial->group_name() != "Disallow" && 2231 if (trial && (trial->group_name() != "Disallow" &&
2232 trial->group_name() != "AllowBackgroundModeFromRenderer")) { 2232 trial->group_name() != "AllowBackgroundModeFromRenderer")) {
2233 child_process_launcher_->SetProcessBackgrounded(backgrounded); 2233 child_process_launcher_->SetProcessBackgrounded(backgrounded);
2234 } 2234 }
2235 #else 2235 #else
2236 // Control the background state from the browser process, otherwise the task 2236 // Control the background state from the browser process, otherwise the task
2237 // telling the renderer to "unbackground" itself may be preempted by other 2237 // telling the renderer to "unbackground" itself may be preempted by other
2238 // tasks executing at lowered priority ahead of it or simply by not being 2238 // tasks executing at lowered priority ahead of it or simply by not being
2239 // swiftly scheduled by the OS per the low process priority 2239 // swiftly scheduled by the OS per the low process priority
2240 // (http://crbug.com/398103). 2240 // (http://crbug.com/398103).
2241 child_process_launcher_->SetProcessBackgrounded(backgrounded); 2241 child_process_launcher_->SetProcessBackgrounded(backgrounded);
2242 #endif // OS_WIN 2242 #endif // OS_WIN
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2460 if (worker_ref_count_ == 0) 2460 if (worker_ref_count_ == 0)
2461 Cleanup(); 2461 Cleanup();
2462 } 2462 }
2463 2463
2464 void RenderProcessHostImpl::GetAudioOutputControllers( 2464 void RenderProcessHostImpl::GetAudioOutputControllers(
2465 const GetAudioOutputControllersCallback& callback) const { 2465 const GetAudioOutputControllersCallback& callback) const {
2466 audio_renderer_host()->GetOutputControllers(callback); 2466 audio_renderer_host()->GetOutputControllers(callback);
2467 } 2467 }
2468 2468
2469 } // namespace content 2469 } // namespace content
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