Remove ForceReclaimResources

cc/trees/layer_tree_host_pixeltest_tiles.cc

Index: cc/trees/layer_tree_host_pixeltest_tiles.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_tiles.cc b/cc/trees/layer_tree_host_pixeltest_tiles.cc
index b569208f018825fa9a39eac55878ddd0ea154437..17b5625f2323cbedab410e1038a0e5b5fc363a85 100644
--- a/cc/trees/layer_tree_host_pixeltest_tiles.cc
+++ b/cc/trees/layer_tree_host_pixeltest_tiles.cc
@@ -11,6 +11,7 @@
 #include "cc/playback/display_item_list_settings.h"
 #include "cc/playback/drawing_display_item.h"
 #include "cc/test/layer_tree_pixel_test.h"
+#include "cc/test/test_compositor_frame_sink.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkPictureRecorder.h"
 
@@ -160,11 +161,18 @@ class LayerTreeHostTilesTestPartialInvalidation
   void DidCommitAndDrawFrame() override {
     switch (layer_tree_host()->SourceFrameNumber()) {
       case 1:
-        // We have done one frame, so the layer's content has been rastered.
-        // Now we change the picture behind it to record something completely
-        // different, but we give a smaller invalidation rect. The layer should
-        // only re-raster the stuff in the rect. If it doesn't do partial raster
-        // it would re-raster the whole thing instead.
+        // We have done one frame, but the resource may not be available for
+        // partial raster yet. Force a seocnd frame.
+        picture_layer_->SetNeedsDisplayRect(gfx::Rect(50, 50, 100, 100));

[ericrk, 2017/01/04 18:10:48]

Updated the partial raster test - we now give it two frames from which to grab
the resource to partial raster into.

+        break;
+
+      case 2:
+        // We have done two frames, so the layer's content has been rastered
+        // twice and the first frame's resource is available for partial
+        // raster. Now we change the picture behind it to record something
+        // completely different, but we give a smaller invalidation rect. The
+        // layer should only re-raster the stuff in the rect. If it doesn't do
+        // partial raster it would re-raster the whole thing instead.
         client_.set_blue_top(false);
         Finish();
         picture_layer_->SetNeedsDisplayRect(gfx::Rect(50, 50, 100, 100));