cc: Trigger GPU rasterization based on a per-layer hint

cc/base/switches.h

Index: cc/base/switches.h
diff --git a/cc/base/switches.h b/cc/base/switches.h
index 689f0e99b6ee286f0bac24ebea9043b724df09a1..b516c68c093ed0839e910a4ec0c69a99c1d28ce2 100644
--- a/cc/base/switches.h
+++ b/cc/base/switches.h
@@ -18,14 +18,13 @@ namespace switches {
 // Switches for the renderer compositor only.
 CC_EXPORT extern const char kBackgroundColorInsteadOfCheckerboard[];
 CC_EXPORT extern const char kDisableLCDText[];
-CC_EXPORT extern const char kDisableGPURasterization[];
 CC_EXPORT extern const char kDisableImplSidePainting[];
 CC_EXPORT extern const char kDisableThreadedAnimation[];
 CC_EXPORT extern const char kDisableCompositedAntialiasing[];
 CC_EXPORT extern const char kEnableLCDText[];
 CC_EXPORT extern const char kEnableImplSidePainting[];
 CC_EXPORT extern const char kEnableTopControlsPositionCalculation[];
-CC_EXPORT extern const char kEnableGPURasterization[];
+CC_EXPORT extern const char kRasterizationSite[];
 CC_EXPORT extern const char kJankInsteadOfCheckerboard[];
 CC_EXPORT extern const char kTopControlsHeight[];
 CC_EXPORT extern const char kTopControlsHideThreshold[];
@@ -71,6 +70,7 @@ CC_EXPORT extern const char kCCLayerTreeTestNoTimeout[];
 CC_EXPORT extern const char kCCRebaselinePixeltests[];
 
 CC_EXPORT bool IsLCDTextEnabled();
+CC_EXPORT bool IsHybridRasterizationEnabled();
 CC_EXPORT bool IsGpuRasterizationEnabled();
 CC_EXPORT bool IsImplSidePaintingEnabled();
 CC_EXPORT bool IsMapImageEnabled();