Follow Material spec for icons when adding web apps to home screen.

chrome/browser/android/shortcut_helper.cc

Index: chrome/browser/android/shortcut_helper.cc
diff --git a/chrome/browser/android/shortcut_helper.cc b/chrome/browser/android/shortcut_helper.cc
index c39462a32ef556f9aa02ce89660df20018ab7429..ddfb1576d570b6511211871148d4a706a478f652 100644
--- a/chrome/browser/android/shortcut_helper.cc
+++ b/chrome/browser/android/shortcut_helper.cc
@@ -170,10 +170,12 @@ SkBitmap ShortcutHelper::FinalizeLauncherIcon(const SkBitmap& bitmap,
   *is_generated = false;
 
   if (!bitmap.isNull()) {
-    ScopedJavaLocalRef<jobject> java_bitmap = gfx::ConvertToJavaBitmap(&bitmap);
     if (Java_ShortcutHelper_isIconLargeEnoughForLauncher(
-        env, base::android::GetApplicationContext(), java_bitmap.obj())) {
-      result = Java_ShortcutHelper_modifyIconForLauncher(
+            env, base::android::GetApplicationContext(), bitmap.width(),
+            bitmap.height())) {
+      ScopedJavaLocalRef<jobject> java_bitmap =
+          gfx::ConvertToJavaBitmap(&bitmap);
+      result = Java_ShortcutHelper_generateHomescreenIconFromWebIcon(

[mlamouri (slow - plz ping), 2015/10/29 19:04:51]

nit: please, don't use the term |generate|, we have a boolean |is_generated|
that is false if we go trough that branch.

[newt (away), 2015/10/29 19:42:28]

Good point. Renamed to createHomescreenIconFromWebIcon().

           env, base::android::GetApplicationContext(), java_bitmap.obj());
     }
   }
@@ -188,7 +190,7 @@ SkBitmap ShortcutHelper::FinalizeLauncherIcon(const SkBitmap& bitmap,
       mean_color = color_utils::CalculateKMeanColorOfBitmap(bitmap);
 
     *is_generated = true;
-    result = Java_ShortcutHelper_generateLauncherIcon(
+    result = Java_ShortcutHelper_generateHomescreenIcon(
         env, base::android::GetApplicationContext(), java_url.obj(),
         SkColorGetR(mean_color), SkColorGetG(mean_color),
         SkColorGetB(mean_color));