Remove unused type GrCacheKey

R=robertphillips@google.com
Review URL: https://codereview.appspot.com/6947074

git-svn-id: http://skia.googlecode.com/svn/trunk@6858 2bbb7eff-a529-9590-31e7-b0007b416f81

include/gpu/GrContext.h

@@ -23,7 +23,6 @@
 #include "GrTexture.h"
 
 class GrAutoScratchTexture;
-class GrCacheKey;
 class GrDrawState;
 class GrDrawTarget;
 class GrEffect;
@@ -137,12 +136,6 @@ public:
                              const GrCacheData& cacheData,
                              void* srcData, size_t rowBytes);
 
-    /**
-     * Look for a texture that matches 'key' in the cache. If not found,
-     * return NULL.
-     */
-    GrTexture* findTexture(const GrCacheKey& key);
-
     /**
      *  Search for an entry based on key and dimensions. If found,
      *  return it. The return value will be NULL if not found.

src/gpu/GrContext.cpp

@@ -209,11 +209,6 @@ void convolve_gaussian(GrDrawTarget* target,
 
 }
 
-
-GrTexture* GrContext::findTexture(const GrCacheKey& key) {
-    return static_cast<GrTexture*>(fTextureCache->find(key.key()));
-}
-
 GrTexture* GrContext::findTexture(const GrTextureDesc& desc,
                                   const GrCacheData& cacheData,
                                   const GrTextureParams* params) {

src/gpu/GrResourceCache.h

@@ -119,26 +119,6 @@ private:
 };
 
 
-class GrCacheKey {
-public:
-    GrCacheKey(const GrTextureDesc& desc, const GrResourceKey& key)
-        : fDesc(desc)
-        , fKey(key) {
-    }
-
-    void set(const GrTextureDesc& desc, const GrResourceKey& key) {
-        fDesc = desc;
-        fKey = key;
-    }
-
-    const GrTextureDesc& desc() const { return fDesc; }
-    const GrResourceKey& key() const { return fKey; }
-
-protected:
-    GrTextureDesc fDesc;
-    GrResourceKey fKey;
-};
-
 ///////////////////////////////////////////////////////////////////////////////
 
 class GrResourceEntry {