Move several property queries to Properties class

bug:17478770

This removes a lot of redundant property query code, and puts the
queries all in one place, so defining them automatically will be simpler
in the future.

Change-Id: I0428550e6081f07bc6554ffdf73b22284325abb8
diff --git a/libs/hwui/TextDropShadowCache.cpp b/libs/hwui/TextDropShadowCache.cpp
index 1707468..fe4b3d75 100644
--- a/libs/hwui/TextDropShadowCache.cpp
+++ b/libs/hwui/TextDropShadowCache.cpp
@@ -93,36 +93,21 @@
 // Constructors/destructor
 ///////////////////////////////////////////////////////////////////////////////
 
-TextDropShadowCache::TextDropShadowCache():
-        mCache(LruCache<ShadowText, ShadowTexture*>::kUnlimitedCapacity),
-        mSize(0), mMaxSize(MB(DEFAULT_DROP_SHADOW_CACHE_SIZE)) {
-    char property[PROPERTY_VALUE_MAX];
-    if (property_get(PROPERTY_DROP_SHADOW_CACHE_SIZE, property, nullptr) > 0) {
-        INIT_LOGD("  Setting drop shadow cache size to %sMB", property);
-        setMaxSize(MB(atof(property)));
-    } else {
-        INIT_LOGD("  Using default drop shadow cache size of %.2fMB",
-                DEFAULT_DROP_SHADOW_CACHE_SIZE);
-    }
+TextDropShadowCache::TextDropShadowCache()
+        : TextDropShadowCache(Properties::textDropShadowCacheSize) {}
 
-    init();
-}
-
-TextDropShadowCache::TextDropShadowCache(uint32_t maxByteSize):
-        mCache(LruCache<ShadowText, ShadowTexture*>::kUnlimitedCapacity),
-        mSize(0), mMaxSize(maxByteSize) {
-    init();
+TextDropShadowCache::TextDropShadowCache(uint32_t maxByteSize)
+        : mCache(LruCache<ShadowText, ShadowTexture*>::kUnlimitedCapacity)
+        , mSize(0)
+        , mMaxSize(maxByteSize) {
+    mCache.setOnEntryRemovedListener(this);
+    mDebugEnabled = Properties::debugLevel & kDebugMoreCaches;
 }
 
 TextDropShadowCache::~TextDropShadowCache() {
     mCache.clear();
 }
 
-void TextDropShadowCache::init() {
-    mCache.setOnEntryRemovedListener(this);
-    mDebugEnabled = Properties::debugLevel & kDebugMoreCaches;
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 // Size management
 ///////////////////////////////////////////////////////////////////////////////
@@ -135,13 +120,6 @@
     return mMaxSize;
 }
 
-void TextDropShadowCache::setMaxSize(uint32_t maxSize) {
-    mMaxSize = maxSize;
-    while (mSize > mMaxSize) {
-        mCache.removeOldest();
-    }
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 // Callbacks
 ///////////////////////////////////////////////////////////////////////////////