aw: Avoid using std::max for compile

android_webview/browser/browser_view_renderer.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "android_webview/browser/browser_view_renderer.h"
 
 #include "android_webview/browser/browser_view_renderer_client.h"
 #include "android_webview/browser/shared_renderer_state.h"
 #include "android_webview/public/browser/draw_gl.h"
 #include "base/android/jni_android.h"
@@ skipping 153 matching lines @@
 SynchronousCompositorMemoryPolicy
 BrowserViewRenderer::CalculateDesiredMemoryPolicy() {
   SynchronousCompositorMemoryPolicy policy;
   size_t width = draw_gl_input_.global_visible_rect.width();
   size_t height = draw_gl_input_.global_visible_rect.height();
   policy.bytes_limit = kMemoryMultiplier * kBytesPerPixel * width * height;
   // Round up to a multiple of kMemoryAllocationStep.
   policy.bytes_limit =
       (policy.bytes_limit / kMemoryAllocationStep + 1) * kMemoryAllocationStep;
 
-  size_t tiles = std::max(width * height * kTileMultiplier / g_tile_area, 1u);
+  size_t tiles = width * height * kTileMultiplier / g_tile_area;
   // Round up to a multiple of kTileAllocationStep. The minimum number of tiles
   // is also kTileAllocationStep.
-  tiles = (tiles + kTileAllocationStep - 1) / kTileAllocationStep *
-          kTileAllocationStep;
+  tiles = (tiles / kTileAllocationStep + 1) * kTileAllocationStep;
   policy.num_resources_limit = tiles;
   return policy;
 }
 
 // This function updates the cached memory policy in shared renderer state, as
 // well as the tile resource allocation in GlobalTileManager.
 void BrowserViewRenderer::RequestMemoryPolicy(
     SynchronousCompositorMemoryPolicy& new_policy) {
   // This will be used in SetNumTiles.
   num_bytes_ = new_policy.bytes_limit;
@@ skipping 558 matching lines @@
     base::StringAppendF(&str,
                         "surface width height: [%d %d] ",
                         draw_info->width,
                         draw_info->height);
     base::StringAppendF(&str, "is_layer: %d ", draw_info->is_layer);
   }
   return str;
 }
 
 }  // namespace android_webview