Remove non-impl-side painting as an option for blink.

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 1094 matching lines @@
   return storage_partition_impl_;
 }
 
 static void AppendCompositorCommandLineFlags(base::CommandLine* command_line) {
   if (IsPropertyTreeVerificationEnabled())
     command_line->AppendSwitch(cc::switches::kEnablePropertyTreeVerification);
 
   if (IsDelegatedRendererEnabled())
     command_line->AppendSwitch(switches::kEnableDelegatedRenderer);
 
-  if (IsImplSidePaintingEnabled()) {
-    command_line->AppendSwitchASCII(
-        switches::kNumRasterThreads,
-        base::IntToString(NumberOfRendererRasterThreads()));
-  } else {
-    command_line->AppendSwitch(switches::kDisableImplSidePainting);
-  }
+  command_line->AppendSwitchASCII(
+      switches::kNumRasterThreads,
+      base::IntToString(NumberOfRendererRasterThreads()));
 
   if (IsGpuRasterizationEnabled())
     command_line->AppendSwitch(switches::kEnableGpuRasterization);
 
   int msaa_sample_count = GpuRasterizationMSAASampleCount();
   if (msaa_sample_count > 0) {
     command_line->AppendSwitchASCII(
         switches::kGpuRasterizationMSAASampleCount,
         base::IntToString(msaa_sample_count));
   }
@@ skipping 122 matching lines @@
     switches::kDisableTouchAdjustment,
     switches::kDisableTouchDragDrop,
     switches::kDisableTouchEditing,
     switches::kDisableV8IdleTasks,
     switches::kDomAutomationController,
     switches::kEnableBleedingEdgeRenderingFastPaths,
     switches::kEnableBlinkFeatures,
     switches::kEnableBrowserSideNavigation,
     switches::kEnableCompositorAnimationTimelines,
     switches::kEnableCredentialManagerAPI,
-    switches::kEnableDeferredImageDecoding,
     switches::kEnableDelayAgnosticAec,
     switches::kEnableDisplayList2dCanvas,
     switches::kEnableDistanceFieldText,
     switches::kEnableExperimentalCanvasFeatures,
     switches::kEnableExperimentalWebPlatformFeatures,
     switches::kEnableGPUClientLogging,
     switches::kEnableGpuClientTracing,
     switches::kEnableGPUServiceLogging,
     switches::kEnableIconNtp,
     switches::kEnableLinkDisambiguationPopup,
@@ skipping 132 matching lines @@
         switches::kTraceStartup,
         browser_cmd.GetSwitchValueASCII(switches::kTraceStartup));
   }
 
   // Disable databases in incognito mode.
   if (GetBrowserContext()->IsOffTheRecord() &&
       !browser_cmd.HasSwitch(switches::kDisableDatabases)) {
     renderer_cmd->AppendSwitch(switches::kDisableDatabases);
   }
 
-  // Enforce the extra command line flags for impl-side painting.
-  if (IsImplSidePaintingEnabled() &&
-      !browser_cmd.HasSwitch(switches::kEnableDeferredImageDecoding))
-    renderer_cmd->AppendSwitch(switches::kEnableDeferredImageDecoding);
-
   // Add kWaitForDebugger to let renderer process wait for a debugger.
   if (browser_cmd.HasSwitch(switches::kWaitForDebuggerChildren)) {
     // Look to pass-on the kWaitForDebugger flag.
     std::string value =
         browser_cmd.GetSwitchValueASCII(switches::kWaitForDebuggerChildren);
     if (value.empty() || value == switches::kRendererProcess) {
       renderer_cmd->AppendSwitch(switches::kWaitForDebugger);
     }
   }
 }
@@ skipping 1069 matching lines @@
 void RenderProcessHostImpl::GetAudioOutputControllers(
     const GetAudioOutputControllersCallback& callback) const {
   audio_renderer_host()->GetOutputControllers(callback);
 }
 
 BluetoothDispatcherHost* RenderProcessHostImpl::GetBluetoothDispatcherHost() {
   return bluetooth_dispatcher_host_.get();
 }
 
 }  // namespace content