Fix up all the easy virtual ... SK_OVERRIDE cases.

samplecode/SampleLua.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SampleCode.h"
 #include "SkView.h"
 #include "SkLua.h"
@@ skipping 57 matching lines @@
                 data->unref();
                 this->setImageFilename(fLua->get());
             } else {
                 fLua->runCode(gMissingCode);
             }
         }
         return fLua->get();
     }
 
 protected:
-    virtual bool onQuery(SkEvent* evt) SK_OVERRIDE {
+    bool onQuery(SkEvent* evt) SK_OVERRIDE {
         if (SampleCode::TitleQ(*evt)) {
             SampleCode::TitleR(evt, "Lua");
             return true;
         }
         SkUnichar uni;
         if (SampleCode::CharQ(*evt, &uni)) {
             lua_State* L = this->ensureLua();
             lua_getglobal(L, gUnicharName);
             if (lua_isfunction(L, -1)) {
                 SkString str;
                 str.appendUnichar(uni);
                 fLua->pushString(str.c_str());
                 if (lua_pcall(L, 1, 1, 0) != LUA_OK) {
                     SkDebugf("lua err: %s\n", lua_tostring(L, -1));
                 } else {
                     if (lua_isboolean(L, -1) && lua_toboolean(L, -1)) {
                         this->inval(NULL);
                         return true;
                     }
                 }
             }
         }
         return this->INHERITED::onQuery(evt);
     }
 
-    virtual void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
+    void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
         lua_State* L = this->ensureLua();
 
         lua_getglobal(L, gDrawName);
         if (!lua_isfunction(L, -1)) {
             int t = lua_type(L, -1);
             SkDebugf("--- expected %s function %d, ignoring.\n", gDrawName, t);
             lua_pop(L, 1);
         } else {
             // does it make sense to try to "cache" the lua version of this
             // canvas between draws?
@@ skipping 25 matching lines @@
                     this->inval(NULL);
                     Click* c = new Click(this);
                     c->setType(gLuaClickHandlerName);
                     return c;
                 }
             }
         }
         return this->INHERITED::onFindClickHandler(x, y, modi);
     }
 
-    virtual bool onClick(Click* click) SK_OVERRIDE {
+    bool onClick(Click* click) SK_OVERRIDE {
         if (click->getType() != gLuaClickHandlerName) {
             return this->INHERITED::onClick(click);
         }
 
         const char* state = NULL;
         switch (click->fState) {
             case Click::kMoved_State:
                 state = "moved";
                 break;
             case Click::kUp_State:
@@ skipping 18 matching lines @@
 private:
     SkLua* fLua;
 
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new LuaView; }
 static SkViewRegister reg(MyFactory);