Allow eviction of ImageBitmaps that are created from ImageElements.

Source/core/loader/cache/MockCachedImageClient.h

Index: Source/core/loader/cache/MockCachedImageClient.h
diff --git a/Source/core/loader/cache/MockCachedImageClient.h b/Source/core/loader/cache/MockCachedImageClient.h
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+++ b/Source/core/loader/cache/MockCachedImageClient.h
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+/*
+ * Copyright (c) 2013, Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef MockCachedImageClient_h
+#define MockCachedImageClient_h
+
+#include "core/loader/cache/CachedImageClient.h"
+#include "core/page/Frame.h"
+#include "core/platform/graphics/Image.h"
+
+#include <gtest/gtest.h>
+
+namespace WebCore {
+
+class MockCachedImageClient : public WebCore::CachedImageClient {
+public:
+    MockCachedImageClient()
+        : m_imageChangedCount(0)
+        , m_notifyFinishedCalled(false)
+    {
+    }
+
+    virtual ~MockCachedImageClient() { }
+    virtual void imageChanged(CachedImage*, const IntRect*)
+    {
+        m_imageChangedCount++;
+    }
+
+    virtual void notifyFinished(Resource*)
+    {
+        ASSERT_FALSE(m_notifyFinishedCalled);
+        m_notifyFinishedCalled = true;
+    }
+
+    int imageChangedCount() const { return m_imageChangedCount; }
+    bool notifyFinishedCalled() const { return m_notifyFinishedCalled; }
+
+private:
+    int m_imageChangedCount;
+    bool m_notifyFinishedCalled;
+};
+
+} // namespace WebCore
+
+#endif // CachedImageTest_h