Reland "Remove old references to SampleApp"

This reverts commit 3ff2b20057.

Reason for revert: Infra fires are out.

Original change's description:
> Revert "Remove old references to SampleApp"
> 
> This reverts commit 1c477fc263.
> 
> Reason for revert: Botpocalypse.
> Original change's description:
> > Remove old references to SampleApp
> > 
> > Docs-Preview: https://skia.org/?cl=135570
> > Change-Id: I330ffa964c2d90ca8d3cd844aabcd8616ccd0540
> > Reviewed-on: https://skia-review.googlesource.com/135570
> > Reviewed-by: Cary Clark <caryclark@google.com>
> > Commit-Queue: Brian Osman <brianosman@google.com>
> 
> TBR=halcanary@google.com,brianosman@google.com,caryclark@google.com
> 
> Change-Id: I514e2c7bca8a1ebd311593573a94e8a078695785
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://skia-review.googlesource.com/135600
> Reviewed-by: Brian Osman <brianosman@google.com>
> Commit-Queue: Brian Osman <brianosman@google.com>

TBR=halcanary@google.com,brianosman@google.com,caryclark@google.com

Change-Id: I660482ef32acecf5b1bf24d2dec919bc68fde97e
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/135660
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>

.gitignore

@@ -29,7 +29,6 @@ platform_tools/android/apps/build
 platform_tools/android/apps/*.properties
 platform_tools/android/apps/*/build
 platform_tools/android/apps/*/src/main/libs
-sampleapp_prefs.txt
 /skps
 third_party/externals
 tools/skp/page_sets/data/*.json

gm/image.h

@@ -1,14 +0,0 @@
-//
-//  image.h
-//  SampleApp
-//
-//  Created by Mike Reed on 7/27/12.
-//
-//
-
-#ifndef __SampleApp__image__
-#define __SampleApp__image__
-
-#include <iostream>
-
-#endif /* defined(__SampleApp__image__) */

site/dev/contrib/submit.md

@@ -45,10 +45,9 @@ Test code is located under the 'tests' directory.
 See [Writing Unit and Rendering Tests](../testing/tests) for details.
 
 Unit tests are best, but if your change touches rendering and you can't think of
-an automated way to verify the results, consider writing a GM test or a new page
-of SampleApp. Also, if your change is the GPU code, you may not be able to write
-it as part of the standard unit test suite, but there are GPU-specific testing
-paths you can extend.
+an automated way to verify the results, consider writing a GM test. Also, if your
+change is in the GPU code, you may not be able to write it as part of the standard
+unit test suite, but there are GPU-specific testing paths you can extend.
 
 Submitting a patch
 ------------------

site/dev/testing/tests.md

@@ -78,12 +78,12 @@ Writing a Rendering Test
         ninja -C out/Debug dm
         out/Debug/dm --match newgmtest
 
-4.  Run the GM inside SampleApp:
+4.  Run the GM inside Viewer:
 
     <!--?prettify lang=sh?-->
 
-        ninja -C out/Debug SampleApp
-        out/Debug/SampleApp --slide GM:newgmtest
+        ninja -C out/Debug viewer
+        out/Debug/viewer --slide GM_newgmtest
 
 <span id="bench"></span>
 

site/user/api/skcanvas_creation.md

@@ -158,7 +158,7 @@ The SkPicture backend uses SkPictureRecorder instead of SkSurface.
         draw(recordingCanvas);
         sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture();
         SkFILEWStream skpStream(path);
-        // Open SKP files with `SampleApp --picture SKP_FILE`
+        // Open SKP files with `viewer --skps PATH_TO_SKP --slide SKP_FILE`
         picture->serialize(&skpStream);
     }
 

site/user/special/lua.md

@@ -21,7 +21,7 @@ Try It Out
 ----------
 
 The tools `lua_app` and `lua_pictures` should now be available when you compile,
-and `SampleApp` should now have a `Lua` sample.
+and `Viewer` should now have a `Lua` sample.
 
 
 To-Do

src/core/SkStrokeRec.cpp

@@ -97,7 +97,7 @@ void SkStrokeRec::setStrokeStyle(SkScalar width, bool strokeAndFill) {
 #include "SkStroke.h"
 
 #ifdef SK_DEBUG
-    // enables tweaking these values at runtime from SampleApp
+    // enables tweaking these values at runtime from Viewer
     bool gDebugStrokerErrorSet = false;
     SkScalar gDebugStrokerError;
 #endif