Remove non USE_AURA code from views files.

ui/base/theme_provider.h

Index: ui/base/theme_provider.h
diff --git a/ui/base/theme_provider.h b/ui/base/theme_provider.h
index 284b5e0f2fb50c5e8b59636bca5ed131619c5113..dbb2cbf7a5d3e486edd0bbde1a94a0df2fb90a02 100644
--- a/ui/base/theme_provider.h
+++ b/ui/base/theme_provider.h
@@ -20,9 +20,6 @@ class NSColor;
 class NSGradient;
 class NSImage;
 #endif  // __OBJC__
-#elif !defined(OS_WIN)
-typedef struct _GdkColor GdkColor;
-typedef struct _GdkPixbuf GdkPixbuf;
 #endif  // OS_*
 
 class SkBitmap;
@@ -96,18 +93,6 @@ class UI_BASE_EXPORT ThemeProvider {
 
   // Gets the NSGradient with the specified |id|.
   virtual NSGradient* GetNSGradient(int id) const = 0;
-#elif defined(OS_POSIX) && !defined(TOOLKIT_VIEWS) && !defined(OS_ANDROID)
-  // Gets the GdkPixbuf with the specified |id|.  Returns a pointer to a shared
-  // instance of the GdkPixbuf.  This shared GdkPixbuf is owned by the theme
-  // provider and should not be freed.
-  //
-  // The bitmap is assumed to exist. This function will log in release, and
-  // assert in debug mode if it does not. On failure, this will return a
-  // pointer to a shared empty placeholder bitmap so it will be visible what
-  // is missing.
-
-  // As above, but flips it in RTL locales.
-  virtual GdkPixbuf* GetRTLEnabledPixbufNamed(int id) const = 0;
 #endif
 };