Add --disable-low-res-tiling. Disable low res tiling to save power.

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 2ede83686f1fbdd66aafddbd83b5adfb661922e3..72f9d0cf8db8240ad655b1c9436997fa196a1bd2 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -202,6 +202,11 @@ const char kDisableGpuProcessPrelaunch[]    = "disable-gpu-process-prelaunch";
 // Overrides the kEnableGpuRasterization and kForceGpuRasterization flags.
 const char kDisableGpuRasterization[]       = "disable-gpu-rasterization";
 
+// When using CPU rasterizing disable low resolution tiling. This uses
+// less power, particularly during animations, but more white may be seen
+// during fast scrolling especially on slower devices.
+const char kDisableLowResTiling[] = "disable-low-res-tiling";
+
 // Disable the GPU process sandbox.
 const char kDisableGpuSandbox[]             = "disable-gpu-sandbox";
 
@@ -450,6 +455,10 @@ const char kEnableGpuClientTracing[]        = "enable-gpu-client-tracing";
 // impl-side painting.
 const char kEnableGpuRasterization[]        = "enable-gpu-rasterization";
 
+// When using CPU rasterizing generate low resolution tiling. Low res
+// tiles may be displayed during fast scrolls especially on slower devices.
+const char kEnableLowResTiling[] = "enable-low-res-tiling";
+
 // See comment for kEnableCompositingForFixedPosition.
 const char kEnableHighDpiCompositingForFixedPosition[] =
      "enable-high-dpi-fixed-position-compositing";