Enable gesture events handling on Android.

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 6fd3cad44dd0212d4c589274ce2b91841b7dca8d..e5f438da87c401b387e0422a537d1a0e9dd6c8a9 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -235,6 +235,9 @@ const char kDomAutomationController[]       = "dom-automation";
 // Enable hardware accelerated page painting.
 const char kEnableAcceleratedPainting[]     = "enable-accelerated-painting";
 
+// Enables the hardware acceleration of plugins.
+const char kEnableAcceleratedPlugins[]      = "enable-accelerated-plugins";
+
 // Enable gpu-accelerated SVG/W3C filters.
 const char kEnableAcceleratedFilters[]      = "enable-accelerated-filters";
 
@@ -637,6 +640,15 @@ const char kZygoteProcess[]                 = "zygote";
 // Enables moving cursor by word in visual order.
 const char kEnableVisualWordMovement[]      = "enable-visual-word-movement";
 
+#if defined(OS_ANDROID)
+// Omnibus flag setting an Android graphics mode.  May be:
+//   "basic" (untiled software path)
+//   "compositor" (hardware-accelerated compositing),
+const char kGraphicsMode[]                  = "graphics-mode";
+const char kGraphicsModeValueBasic[]        = "basic";
+const char kGraphicsModeValueCompositor[]   = "compositor";
+#endif
+
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 // Specify the amount the trackpad should scroll by.
 const char kScrollPixels[]                  = "scroll-pixels";