Make tile size a function of the device scale factor.

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 1329 matching lines @@
   // Propagate the following switches to the renderer command line (along
   // with any associated values) if present in the browser command line.
   static const char* const kSwitchNames[] = {
     switches::kAgcStartupMinVolume,
     switches::kAecRefinedAdaptiveFilter,
     switches::kAllowLoopbackInPeerConnection,
     switches::kAndroidFontsPath,
     switches::kAudioBufferSize,
     switches::kBlinkPlatformLogChannels,
     switches::kBlinkSettings,
-    switches::kDefaultTileWidth,
-    switches::kDefaultTileHeight,
     switches::kDisable2dCanvasImageChromium,
     switches::kDisable3DAPIs,
     switches::kDisableAcceleratedJpegDecoding,
     switches::kDisableAcceleratedVideoDecode,
     switches::kDisableBlinkFeatures,
     switches::kDisableBreakpad,
     switches::kDisablePreferCompositingToLCDText,
     switches::kDisableDatabases,
     switches::kDisableDisplayList2dCanvas,
     switches::kDisableDistanceFieldText,
@@ skipping 73 matching lines @@
     switches::kExplicitlyAllowedPorts,
     switches::kForceDeviceScaleFactor,
     switches::kForceDisplayList2dCanvas,
     switches::kForceOverlayFullscreenVideo,
     switches::kFullMemoryCrashReport,
     switches::kInertVisualViewport,
     switches::kIPCConnectionTimeout,
     switches::kJavaScriptFlags,
     switches::kLoggingLevel,
     switches::kMainFrameResizesAreOrientationChanges,
-    switches::kMaxUntiledLayerWidth,
-    switches::kMaxUntiledLayerHeight,
     switches::kMemoryMetrics,
     switches::kMojoLocalStorage,
     switches::kNoReferrers,
     switches::kNoSandbox,
     switches::kOverridePluginPowerSaverForTesting,
     switches::kPassiveListenersDefault,
     switches::kPpapiInProcess,
     switches::kProfilerTiming,
     switches::kReducedReferrerGranularity,
     switches::kReduceSecurityForTesting,
@@ skipping 1357 matching lines @@
   LOG(ERROR) << "Terminating render process for bad Mojo message: " << error;
 
   // The ReceivedBadMessage call below will trigger a DumpWithoutCrashing. Alias
   // enough information here so that we can determine what the bad message was.
   base::debug::Alias(&error);
   bad_message::ReceivedBadMessage(process.get(),
                                   bad_message::RPH_MOJO_PROCESS_ERROR);
 }
 
 }  // namespace content