Limit image decoded size on low end Android devices

webkit/child/webkitplatformsupport_impl.cc

Index: webkit/child/webkitplatformsupport_impl.cc
diff --git a/webkit/child/webkitplatformsupport_impl.cc b/webkit/child/webkitplatformsupport_impl.cc
index 44350ce9ae04ea6dd70ab5d2f64034621b1939ec..ca82d3e273bb3d9e56f56dd0d30a38ce9513c08f 100644
--- a/webkit/child/webkitplatformsupport_impl.cc
+++ b/webkit/child/webkitplatformsupport_impl.cc
@@ -51,6 +51,10 @@
 #include "webkit/common/user_agent/user_agent.h"
 #include "webkit/glue/webkit_glue.h"
 
+#if defined(OS_ANDROID)
+#include "base/android/sys_utils.h"
+#endif
+
 using WebKit::WebAudioBus;
 using WebKit::WebCookie;
 using WebKit::WebData;
@@ -883,6 +887,15 @@ bool WebKitPlatformSupportImpl::memoryAllocatorWasteInBytes(size_t* size) {
   return base::allocator::GetAllocatorWasteSize(size);
 }
 
+size_t WebKitPlatformSupportImpl::maxDecodedImageBytes() {
+#if defined(OS_ANDROID)
+  // Limit image decoded size to 3M pixels on low end devices.
+  if (base::android::SysUtils::IsLowEndDevice())
+    return 3 * 1024 * 1024 * 4;  // 4 is maximum number of bytes per pixel.
+#endif
+  return noDecodedImageByteLimit;
+}
+
 void WebKitPlatformSupportImpl::SuspendSharedTimer() {
   ++shared_timer_suspended_;
 }