android: Remove in-process sync compositor code path

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 803 matching lines @@
     VLOG(1) << "Mojo Channel is enabled on host";
     mojo_channel_token_ = mojo::edk::GenerateRandomToken();
     mojo::ScopedMessagePipeHandle handle =
         mojo::edk::CreateParentMessagePipe(mojo_channel_token_);
 
     // Do NOT expand ifdef or run time condition checks here! Synchronous
     // IPCs from browser process are banned. It is only narrowly allowed
     // for Android WebView to maintain backward compatibility.
     // See crbug.com/526842 for details.
 #if defined(OS_ANDROID)
-    if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-            switches::kIPCSyncCompositing)) {
+    if (GetContentClient()->UsingSynchronousCompositing()) {
       return IPC::SyncChannel::Create(
           IPC::ChannelMojo::CreateServerFactory(std::move(handle)), this,
           runner.get(), true, &never_signaled_);
     }
 #endif  // OS_ANDROID
 
     return IPC::ChannelProxy::Create(
         IPC::ChannelMojo::CreateServerFactory(std::move(handle)), this,
         runner.get());
   }
 
     // Do NOT expand ifdef or run time condition checks here! See comment above.
 #if defined(OS_ANDROID)
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kIPCSyncCompositing)) {
+  if (GetContentClient()->UsingSynchronousCompositing()) {
     return IPC::SyncChannel::Create(channel_id, IPC::Channel::MODE_SERVER, this,
                                     runner.get(), true, &never_signaled_);
   }
 #endif  // OS_ANDROID
 
   return IPC::ChannelProxy::Create(channel_id, IPC::Channel::MODE_SERVER, this,
                                    runner.get());
 }
 
 void RenderProcessHostImpl::CreateMessageFilters() {
@@ skipping 709 matching lines @@
     switches::kEnableWebRtcHWH264Encoding,
     switches::kEnableWebRtcStunOrigin,
     switches::kEnforceWebRtcIPPermissionCheck,
     switches::kForceWebRtcIPHandlingPolicy,
     switches::kWebRtcMaxCaptureFramerate,
 #endif
     switches::kEnableLowEndDeviceMode,
     switches::kDisableLowEndDeviceMode,
 #if defined(OS_ANDROID)
     switches::kDisableUnifiedMediaPipeline,
-    switches::kIPCSyncCompositing,
     switches::kRendererWaitForJavaDebugger,
 #endif
 #if defined(OS_MACOSX)
     // Allow this to be set when invoking the browser and relayed along.
     switches::kEnableSandboxLogging,
 #endif
 #if defined(OS_WIN)
     switches::kDisableDirectWrite,
     switches::kDisableWin32kRendererLockDown,
     switches::kTrySupportedChannelLayouts,
@@ skipping 1247 matching lines @@
 
     // Skip widgets in other processes.
     if (rvh->GetProcess()->GetID() != GetID())
       continue;
 
     rvh->OnWebkitPreferencesChanged();
   }
 }
 
 }  // namespace content