Disable plugin content copy when 0x0 pixels

bug:5382635
Change-Id: I83f999d9e2dd0dc51a6c2f780f2f2b7add95a60a
diff --git a/samples/BrowserPlugin/jni/animation/AnimationThread.cpp b/samples/BrowserPlugin/jni/animation/AnimationThread.cpp
index 1388fe3..2729a53 100644
--- a/samples/BrowserPlugin/jni/animation/AnimationThread.cpp
+++ b/samples/BrowserPlugin/jni/animation/AnimationThread.cpp
@@ -45,7 +45,7 @@
     m_paint = new SkPaint;
     m_paint->setAntiAlias(true);
 
-    m_bitmap = constructBitmap(DEFAULT_WIDTH, DEFAULT_HEIGHT);
+    m_bitmap = constructBitmap(0, 0);
     m_canvas = new SkCanvas(*m_bitmap);
 
     m_startExecutionTime = 0;
@@ -95,11 +95,6 @@
     int width, height;
     getDimensions(width, height);
 
-    if (width <= 0)
-        width = DEFAULT_WIDTH;
-    if (height <= 0)
-        height = DEFAULT_HEIGHT;
-
     if (m_bitmap->width() != width || m_bitmap->height() != height) {
         delete m_canvas;
         delete m_bitmap;