Merge the Sky Engine changes from the SkyDart branch

sky/engine/public/web/Sky.h

Index: sky/engine/public/web/Sky.h
diff --git a/sky/engine/public/web/Sky.h b/sky/engine/public/web/Sky.h
index d6296e118f0139022ada5aedf2928e8f00fa8a9e..5da2eabff5d39e661e5ea28fda76040f7fbec064 100644
--- a/sky/engine/public/web/Sky.h
+++ b/sky/engine/public/web/Sky.h
@@ -33,10 +33,6 @@
 
 #include "../platform/Platform.h"
 
-namespace v8 {
-class Isolate;
-}
-
 namespace blink {
 
 // Must be called on the thread that will be the main WebKit thread before
@@ -44,32 +40,12 @@ namespace blink {
 // non-null and must remain valid until the current thread calls shutdown.
 BLINK_EXPORT void initialize(Platform*);
 
-// Must be called on the thread that will be the main WebKit thread before
-// using any other WebKit APIs. The provided Platform must be
-// non-null and must remain valid until the current thread calls shutdown.
-//
-// This is a special variant of initialize that does not intitialize V8.
-BLINK_EXPORT void initializeWithoutV8(Platform*);
-
-// Get the V8 Isolate for the main thread.
-// initialize must have been called first.
-BLINK_EXPORT v8::Isolate* mainThreadIsolate();
-
 // Once shutdown, the Platform passed to initialize will no longer
 // be accessed. No other WebKit objects should be in use when this function is
 // called. Any background threads created by WebKit are promised to be
 // terminated by the time this function returns.
 BLINK_EXPORT void shutdown();
 
-// Once shutdown, the Platform passed to initializeWithoutV8 will no longer
-// be accessed. No other WebKit objects should be in use when this function is
-// called. Any background threads created by WebKit are promised to be
-// terminated by the time this function returns.
-//
-// If initializeWithoutV8() was used to initialize WebKit, shutdownWithoutV8
-// must be called to shut it down again.
-BLINK_EXPORT void shutdownWithoutV8();
-
 // Alters the rendering of content to conform to a fixed set of rules.
 BLINK_EXPORT void setLayoutTestMode(bool);
 BLINK_EXPORT bool layoutTestMode();